CN203339721U - Solar energy charger - Google Patents
Solar energy charger Download PDFInfo
- Publication number
- CN203339721U CN203339721U CN2013200422752U CN201320042275U CN203339721U CN 203339721 U CN203339721 U CN 203339721U CN 2013200422752 U CN2013200422752 U CN 2013200422752U CN 201320042275 U CN201320042275 U CN 201320042275U CN 203339721 U CN203339721 U CN 203339721U
- Authority
- CN
- China
- Prior art keywords
- solar
- input
- voltage
- solar energy
- module
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a solar energy charger for charging batteries of mobile equipment, belonging to the solar energy battery technology filed. The solar energy charger is a general photovoltaic charging controller developed for batteries matched with portable communication equipment. The solar energy charger is characterized in that an integrated circuit module within a box body comprises MPPT solar energy maximum power output charging controlled by MCu,DC/DC control, current-voltage detection and display and alarm; plug type PV input interfaces plug a multi-dimensional foldable flexible solar energy battery pack or the other transmitting DC power supply. The rear part of the solar energy charger can control batteries with various types, voltage and capacity, and the front part of the solar energy charger employs photovoltaic input and realize maximum photovoltaic input according to various voltage and batteries. The solar energy charger is applicable to the field environment, and has good waterproof performance, clear display and easy operation and is easy for carrying.
Description
Technical field
Xin Xing Wataru and a kind of portable type solar energy charger for this Shi, can, for the charging of mobile device battery, belong to the solar battery technology application.
Background technology
At present, the kind of portable mobile apparatus is more and more, and application scenario is also more and more extensive, and provides the battery variety of energy and specification also in continuous increase for it.Although the various battery chargers of selling on market, by cell classification, control the solar charger of processing or claim the PV charger and for this, plurality of batteries is done to different chargings specially, few.Especially as the outdoor moving communication equipment, field weather environment monitoring, scientific investigation, earthquake relief work, tourism etc. are civilian, and demand is arranged.Chinese patent " a kind of portable type solar energy electricity generation system " ZL201220119735.2, integrated charge control, storage battery, inverter are in one, and its volume and weight is still excessive overweight.The judgement battery completely fills and adopts the electric current of constant-voltage phase to judge, thinks while with electric current, reducing to 1/10C to 1/20C that battery is full of.Rechargeable solar battery process that different is be subject to the sunlight power to affect curent change very large, cause and affect the unstable of electric current in battery charging process.Completely fill judgement by charging current, easily cause misjudgment.China's number of applying for a patent: 200510125723.5 " but portable type solar energy chargers " and " solar charger " patent No.: 01226030.4 discloses respectively a kind of integrated solar cell plate adopts the polymer lithium ion battery electric voltage conversion circuit in one, and the technology such as DC/DC chip boost control circuit.But product function still can not be met the need of market.
Summary of the invention
The utility model is the deficiency that overcomes the existing technical existence of solar charger, designs a kind of universal charger with several functions such as battery types selection, MPPT chargings.
One of its purpose, the front end input interface of charger connects flexible solar panel (assembly), and the rear end output interface is directly the charging of portable communications dress reserve battery, and volume is little, is easy to carry.
Another purpose, the battery types classification that the rear end of charger is controlled comprises that voltage, capacity have polytype, and front end adopts the photovoltaic input, realizes the maximum photovoltaic input when different voltage battery are used, realization is controlled all kinds of battery chargings, and can show the remaining time of charging.
Another purpose, controller is applied in wild environment, needs water resistance preferably; And need to show succinct, minimizing erroneous judgement, easy to operate.
The technical solution the utility model proposes is a kind of for multiple battery charging, and the general photovoltaic charge controller has that battery types is selected, electric automatic shutdown, plug-in PV input interface and battery interface under DCDC controls, cell voltage current detecting, demonstration and alarm, PV startup and the PV of MPPT charging, pressure-limit current-limit.Solar charger comprises box body and interior input circuit module, DC/DC change-over circuit module, solar maximum power tracking circuit module, system power supply module, single-chip microcomputer, control display module and output interface thereof, this solar charger also comprises at least three input interfaces, an output interface, described single-chip microcomputer connects the input port of input circuit module and the input port of MPPT solar maximum power tracking circuit module, controls front end PV input.Solar charger mainly comprises box body and is arranged on the surface-mounted integrated circuit in box body, have two PV input interfaces on box body at least, the external soft substrate of this input interface, at interior solar panel (assembly), connects input circuit module and solar maximum power tracking circuit module and input circuit module in box body; Also have an output interface on box body, connect DC/DC change-over circuit module output and external charge battery in this output interface has.In box body, surface-mounted integrated circuit also comprises single-chip microcomputer (MCU) and connects the output of input circuit module and the input of solar maximum power tracking module, controls the maximum power signal and exports DC/DC change-over circuit module to, makes the voltage of its output interface adjustable.Obtain electric energy for comprising other module of DC/DC change-over circuit module by the system power supply module from the output port of input circuit module.
Implement good effect that the utility model produces: controller has realized that at least 6 class batteries are done to different chargings controls processing; Cell voltage can be identified automatically by systems inspection, has realized battery types and the manual operation of capacity button.Adopt the flexible amorphous silicon assembly, its input voltage range is 20～60V; Under standard condition, the maximum power point operating voltage is 42V, and maximum power is 91.3W; Can accurately judge that battery completely fills.Quiescent dissipation is low, efficiency is high, control circuit is simple and reliable, and cost is low.Simple to operate, the advantages such as wild environment monitoring, scientific investigation, tourism camping, earthquake relief work highly versatile that are widely used in easy to use.
The accompanying drawing explanation
Fig. 1, be structural representation of the present utility model.
Fig. 2, be the circuit module block diagram of the utility model embodiment 1 charger.
Fig. 3, be the circuit diagram of solar energy input circuit module 10 in Fig. 2.
Fig. 4, be the circuit diagram of system power supply module 20 in Fig. 2.
Fig. 5, be the circuit diagram of MPPT30 solar maximum power tracking circuit module in Fig. 2.
Fig. 6, be the circuit diagram of DC/DC40 change-over circuit module in Fig. 2.
Fig. 7, be MCU50 single-chip microcomputer and button and display module 60 circuit diagrams in Fig. 2.
Embodiment
Further illustrate operation principle of the present utility model below in conjunction with accompanying drawing, see that Fig. 1 mainly comprises box body 1 and be arranged on 1 that a plurality of input interfaces 2 are arranged, output interface 3, have button and display 6 on box body surface.Fig. 2 mainly comprises plug-in PV input interface 2, connects the electric delivery outlet (not shown) of external solar cell panel (assembly) by input interface 2.See Fig. 3, the solar-electricity that external solar cell panel (assembly) is provided inputs to input circuit module 10, see that by 10 output welding system power modules 20 input of Fig. 4 and MPPT module 30 is shown in Fig. 5, the input of the output termination DC/DC change-over circuit module 40 of this module is shown in Fig. 6.See that Fig. 7 MCU50 single-chip microcomputer is connected with the input of MPPT module 30, single-chip microcomputer 50 is controlled output by connecting button and display module 60, and connects output interface 3 and realize controlling battery is charged.The input of input circuit module 10 connects the solar-electricity that input interface 2 is accepted by the output of solar cell output port, and solar cell power generation generally is called for short the PV photovoltaic generation.The input port of solar maximum power tracking circuit module 30 is connected with the output port of input circuit module 10, the output port of module 30 is connected with the input port of DC/DC change-over circuit module 40, and the output port of module 40 charges to external cell by output interface 3.System power supply module 20 obtains electric energy for DC/DC change-over circuit module 40 and other module for power supply from the output of input circuit module 10.
See Fig. 3, the input of input circuit module 10 port J1 in parallel, J2, J3 take over control respectively anti-diode D1, D2, D3, its output-parallel connects capacitor C 5 and C6 stablizes front end PVout input, its output termination common mode inductance L2, its common mode inductance output port PVout output electric power signal is the input of welding system power module 20 respectively, and the input of MPPT solar maximum power tracking circuit module 30.
Fig. 5, MPPT 30 solar maximum power tracking circuit module output MPPout signals, to the input of DC/DC 40 change-over circuit modules, the output of DC/DC 40 is connected to output interface 3 and MCU50 single-chip microcomputer, button and shows 60.The output port of MCU50 single-chip microcomputer difference welding system power module 20 and the output port of DC/DC40 change-over circuit module, and be connected to output port 3.System power supply module 20 is from the output port PVout power taking energy of input circuit module 10 modules, for a plurality of modules in DC/DC40 change-over circuit module and integrated circuit.After the MPPT30 module compares the solar energy input voltage after electric resistance partial pressure and reference voltage by AR2 comparator TLV2252, after comparison signal is fed back to MPPT30 module U7 chip MC9205 and is adjusted, by rear end output MPPout, thereby the front end input voltage is remained on the voltage of solar maximum power point.Input interface 2 connects input port J1, J2, the J3 of input circuit 10 modules; can select the electric energy input of three road solar modules (plate) simultaneously; by diode D1, D3, D5Jiang tri-road solar energy parallel connections, output voltage PVout is connected respectively to the input of system power supply module 20 and MPPT; PVout is connected on the emitter of triode Q1 of system power supply module 20, by resistance R 4, is connected on the base stage of triode Q2; The input of voltage-stabiliser tube D6 welding system power module 20, control system power input voltage PVout starts, can open triode Q4 after PVout reaches setting voltage, thereby system power supply is started working, by the 12V power supply of triode Q3, voltage-stabiliser tube D7 and diode D2 stable output.
In Fig. 5, the pin 8 of the U7 chip MC9205 of MPPT30 module is connected to the Q22 grid, resistance R 35, R42 by after input voltage PVout dividing potential drop to amplifier AR2, by with reference voltage REF after feed back to U7 chip MC9205 pin 3 and adjust voltages, controlled the switching of Q22 by pin 8 outputs.
In Fig. 6, the U3 chip KB9034 of DC/DC40 module controls the conversion of electric current and voltage, two NMOS that pin 7 and pin 10 are connected respectively to low side and high-end synchronous rectification manage on the grid of Q6, Q5, and form the Buck circuit with inductance L 3, switching adjustment by chip U3 to Q5, Q6 pipe, realize the voltage and current of charging output is adjusted.Q11, Q12, Q13, Q14 and potential-divider network thereof form the voltage-regulation feedback loop simultaneously, the pin 6,7,10,11 of single-chip microcomputer is connected respectively on the base stage of triode Q11, Q12, Q13, Q14, adjust the resistance of whole resistance pressure-dividing network by the switching of controlling them, and the FB pin that feeds back to KB9034 is to adjust output voltage.The current sampling resistor R24 of DC/DC module 40 connected resistance R 41 and current signal was connected to the positive input terminal of comparator AR3, the reference connection that will be comprised of Q15, Q16, Q17 and resistor voltage divider network thereof again is to the negative input end of AR3, by with current signal relatively and feed back to the pin 2(FB that chip U3 is KB9034) to realize the control to electric current.The delivery outlet that the J4 of module 40 is the battery charging, be directly connected on the output interface 3 of box body 1 shell.
See Fig. 7, demonstration is respectively LED1, LED2, LED3 with the indicator light on button 60, its positive pole is connected on the 3.3V power supply by resistance, negative pole is received respectively on the pin 12,13,14,15 of U4 chip PIC16F1516 of MCW single-chip microcomputer 50, wherein LED3 is bi-colour LED, and button SW1 is connected on the pin 16 of U4 chip PIC16F1516; It is 74HC595 that 4 charactron U6 adopt U5) control, pin 23,24,25 is connected respectively on the pin 14,12,11 of 74HC595 and transmits for data, the pin 17,18,21,22 of U4 is connected on the base stage of triode Q18, Q19, Q20, Q21 by resistance respectively, and the demonstration of group of four figures pipe is controlled in timesharing.Output circuit module 10 output PVout in parallel by resistance R 69 and R74 dividing potential drop by the pin 4 that is connected to U4 by R71, for the collection to the solar energy input voltage signal; The Voltage-output VB+ of DC/DC module 40 is connected to the detection of pin 3 external battery tensions of the U4 chip PIC16F1516 of MCU one-chip computer module 50 through resistance R 61 by R60 and R64 dividing potential drop.
Fig. 6, the comparator of DC/DC40 operational amplifier A R3 is TLV2252, by the buck loop, stabilized input voltage is arrived to 12V, for the DC/DC chip provides power supply, changing voltage 5V and 3.3V are other chip power supplies.System power supply module 20 chip models are KB7550 and LM1117.
Embodiment 1
The physical circuit control mode of the present embodiment is as follows, as shown in Fig. 3 to Fig. 7.Solar energy input circuit module 10 comprises three input interface J1, J2, J3, be connected to respectively counnter attack diode D1, D3, D5 at its power positive end, they are after the solar energy isolation of input interface 1 input and to receive common mode inductance L2 upper, simultaneously and connect large electric capacity and stablize front end input.
System power supply module 20 is directly from solar energy input rear end power taking, form step-down/up type translation circuit (Buck circuit) by triode Q1, Q2, Q3, Q4 and inductance L 1, diode D2, D4 and voltage-stabiliser tube D7, stabilized input voltage is arrived to 12V, for the DC/DC chip provides power supply, system power supply module 20 is converted to and is changed to 5V and 3.3V by U1, U2 chip KB7550 and LM1117 translation circuit, is charger IC chip power supply.
MPPT solar maximum power tracking circuit module 30 adopts U7 chip MC9205, adopts constant voltage to adjust solar maximum power and follows the tracks of; By amplifier AR2 chip TLV2252 computing comparator, resistance R 35 and R42 are compared with reference voltage REF after the voltage dividing potential drop to the PVout input, FB pin by result feedback to U7 chip MC9205 chip, the duty of adjusting Q22 by it is recently adjusted rear end output, thereby the front end input voltage is remained on solar maximum power point voltage.
DC/DC change-over circuit module 40 adopts U3 chip KB9034 to control the conversion of electric current and voltage, its pin 10 and pin 7 are connected respectively to by Q5, Q6 and inductance L 3 and form on two NMOS pipes Q5, Q6 of the high-end and low side synchronous rectification of Buck circuit, by chip U3, to Q5, the Q6 adjustment of service time, the voltage and current of charging output is adjusted.Form the voltage-regulation feedback loop by Q11, Q12, Q13, Q14 and potential-divider network, control opening of Q11, Q12, Q13, Q14 and the closed resistance of carrying out the adjusting resistance potential-divider network by single-chip microcomputer 50, and the pin 2 that feeds back to the FB of KB9034 is used for adjusting output voltage, in like manner see that Fig. 6 adopts amplifier AR3 chip TLV2252 to compare device, the voltage division signal that metal-oxide-semiconductor Q8, Q9, Q10 and triode Q15, Q16, Q17 and each divider resistance are formed and the voltage signal on current sampling resistor compare, and feed back to FB pin restriction to output current with realization of KB9034.Q7 is the counnter attack metal-oxide-semiconductor, and when U3 stops exporting, Q7 prevents that battery current is counter and fills with, can effectively protect battery; The delivery outlet that J4 is the battery charging.
The MCU50 single-chip microcomputer selects chip PIC16F1516, button display control circuit module 60, singlechip chip U4 and 4 charactron U6 and three LED light; Single-chip microcomputer 50 chip PIC16F1516 pin 2 are received the output pin of current sample amplifier AR1, pin 3 connects the potential-divider network of solar energy input, pin 4 connects the potential-divider network of battery output, and output voltage and electric current when in single-chip microcomputer, A/D convertor circuit is by the solar energy input voltage of collection and battery charging carry out analog-to-digital conversion.The pin 6,7,10,11 of single-chip microcomputer 50 is connected respectively to the control end of triode Q11, Q12, Q13, Q14, for controlling the output voltage adjustment; The pin 26,27,28 of single-chip microcomputer 50 connects the control pin of triode Q15, Q16, Q17, for controlling output current.This charge controller shows that 60 adopt U5 chip 74HC595, and 4 charactron U6 are controlled in timesharing, and the pin 23,24,25 of single-chip microcomputer 50 connects respectively 74HC595 pin 14,12,11 for controlling the demonstration data.Single-chip microcomputer 50 pin 17,18,21,22 are the control pin of connecting triode Q18, Q19, Q20, Q21 respectively, for timesharing, selects certain position of charactron U6 to show; Single-chip microcomputer 50 chip PIC16F1516 pin 16 are connected on the SW1 key switch, for checking peripheral operation.
The aluminum hull that embodiment Fig. 1-7 box body 1 shell is the 135mm*97mm*45mm size, surface adopts anodized to reach certain salt fog resistance corrosiveness, join three groups of flexible thin-film solar cell assemblies outward, power is the folding portable convenience of 100W, is applicable to field and uses.
The operation principle of this charger
System power supply module 20 is directly from solar energy input rear end power taking, the Buck circuit formed by triode Q1, Q2, Q3, Q4 and inductance L 1, diode D2, D4 and voltage-stabiliser tube D7 arrives 12V by stabilized input voltage, for the DC/DC chip provides power supply, and be converted to by KB7550 and LM1117 power supply IC the working power that 5V and 3.3V make IC.
Solar maximum power tracking circuit module 30 adopts the MC9205 constant voltage to adjust the maximal power tracing that IC controls solar energy; By amplifier AR2(TLV2252) compare device, resistance R 35 and R42 are compared with reference voltage REF after the voltage dividing potential drop to the PV input, FB pin by result feedback to the MC9205 chip, the duty of adjusting Q22 by it is recently adjusted rear end output, thereby the front end input voltage is remained on the voltage of solar maximum power point.
DC/DC change-over circuit module 40 is changed electric current and voltage by U3 chip KB9034, its pin 10 is connected respectively on two NMOS pipe Q5, Q6 of high-end and low side synchronous rectification with pin 7, and form the Buck circuit by Q5, Q6 and inductance L 3, to Q5, the Q6 adjustment of service time, reach the adjustment to charging output voltage, electric current by U3.
MCU single-chip microcomputer 50 is controlled and is formed the voltage-regulation feedback loop by Q11, Q12, Q13, Q14 and potential-divider network thereof, reach the resistance of adjusting resistance potential-divider network with the switching of controlling Q11, Q12, Q13, Q14, and the FB pin that feeds back to KB9034 is to adjust output voltage.Amplifier AR3 chip TLV2252 compares device, the voltage division signal that metal-oxide-semiconductor Q8, Q9, Q10 and triode Q15, Q16, Q17 and each divider resistance are formed and the voltage signal on current sampling resistor compare, and feed back to FB pin restriction to output current with realization of KB9034.Q7 is the counnter attack metal-oxide-semiconductor, and when U3 stops exporting, Q7 prevents that battery current is counter and fills with, can effectively protect battery; The delivery outlet that J4 is the battery charging.
MCU50 module and display control circuit module 60, comprise a single-chip microcomputer U4, and module 60 connects 4 charactron U6 and three LED light; Single-chip microcomputer U4 adopts the pin 2 of PIC16F1516 chip to connect the output of current sample amplifier AR1, the pin 3 of U4 connects the potential-divider network of solar energy input, 4 pin connect the potential-divider network of solar panel (assembly) output, A/D convertor circuit by MCU module 50, by the solar energy input voltage gathered, and be digital signal to the output voltage of battery charging, the analog signal conversion of electric current.The pin 6,7,10,11 of U4 is connected respectively to the control end of triode Q11, Q12, Q13, Q14 and controls the output voltage adjustment, and pin 26,27,28 is connected to the control pin of triode Q15, Q16, Q17 and controls output current; 4 charactron U6 are controlled in display apparatus module U5 chip 74HC595 timesharing, the pin 23,24,25 of U4 connects respectively the pin 14,12,11 of U5 chip 74HC595 and controls the demonstration data, the pin 17,18,21,22 of U4 is the control pin of connecting triode Q18, Q19, Q20, Q21 respectively, for timesharing, selects certain position of charactron U6 to show; The pin 16 of U4 connects the SW1 key switch, for checking peripheral operation.
Embodiment 3
Fig. 1-7, after controller system of the present utility model starts, charactron shows " 5L " time, the user can select battery types (in selection course, charactron glimmers with 1HZ) by button (in 3 seconds) circulation by short; Determine battery types by length by button (being greater than 3 seconds), determine battery types after charactron stop glimmering and show battery types 10 seconds; Show afterwards the remaining time of charging, check battery types: grow in charging process by button (being greater than 3 seconds) to show battery types.
Battery types and corresponding charactron show below into:
1, the 7.2V capacity of lithium ion battery is that 1-2AH charactron shows: " L1 "
2, the 14.4V capacity of lithium ion battery is that the 10AH charactron shows: " L2 "
3,12V alkaline battery capacity is less than the demonstration of 0.6AH charactron: " C1 "
4,12V alkaline battery capacity is that the 5.5AH charactron shows: " C2 "
5,24V alkaline battery capacity is that the 4.5AH charactron shows: " C3 "
6,24V alkaline battery capacity is that the 5AH charactron shows: " C4 "
24V alkaline battery capacity is that the 7AH charactron shows: " C5 "
By above cell classification, controller need to be done different chargings to above 6 class batteries and control processing procedure; Cell voltage can be identified automatically by systems inspection, and battery types and capacity are selected (by the button manual operation) by outside.
Embodiment 4
Fig. 1, in charging process of the present utility model: Battery Indicator Light is with the 1HZ frequency scintillation; Charactron shows the remaining charging interval, and unit is hour, maximumly shows 99 hours; When front end PV input power is not enough, charactron shows " ".
Charging completes: Battery Indicator Light stops flicker; Charactron shows " Ed "
The time of opening the charactron demonstration is 1 minute, and charactron can be closed automatically afterwards, if will again open short button (in 3 seconds) of charactron.
Embodiment 5
System closing of the present utility model
Front end PV input power deficiency, can not charge continuous 10 minutes to battery, and system is closed automatically; Take off battery, system is closed immediately.
Claims (10)
1. a solar charger, comprise box body and interior input circuit module, DC/DC change-over circuit module, solar maximum power tracking circuit module, system power supply module, single-chip microcomputer, control display module and output interface thereof, at least three of input interfaces that it is characterized in that solar charger, one of output interface, described single-chip microcomputer connects the input port of input circuit module and the input port of MPPT solar maximum power tracking circuit module, controls front end PV input.
2. a kind of solar charger according to claim 1, is characterized in that described single-chip microcomputer also connects DC/DC change-over circuit module output port, and this DC/DC change-over circuit module output port is connected with described output interface.
3. a kind of solar charger according to claim 1, is characterized in that external solar panel or the solar module that comprises soft substrate of described input interface, and output interface connects rechargable battery.
4. a kind of solar charger according to claim 1, is characterized in that the folding flexible solar battery pack of described input interface grafting multidimensional.
5. a kind of solar charger according to claim 4, is characterized in that the flexible solar photovoltaic array that described input interface is pegged graft and consisted of wire connection in series-parallel connection polylith flexible solar battery pack.
6. a kind of solar charger according to claim 2, it is characterized in that described DC/DC change-over circuit module (40) comprises chip (U3) KB9034 of the conversion of controlling electric current and voltage, the pin 7 of this chip and pin 10 are connected respectively to the grid of two NMOS pipes (Q6, Q5) of low side and high-end synchronous rectification, described two NMOS pipes (Q6, Q5) and inductance (L3) form the Buck circuit, by chip (U3), two NMOS are managed the switching adjustment of (Q6, Q5), realize the voltage and current of charging output is adjusted.
7. a kind of solar charger according to claim 6, characterized by further comprising the voltage-regulation feedback loop be comprised of four triodes (Q11, Q12, Q13, Q14) and potential-divider network.
8. a kind of solar charger according to claim 7, characterized by further comprising current sampling resistor (R24), this sampling resistor connects another resistance (R41) and current signal is connected to the positive input terminal of comparator (AR3), the negative input end of comparator (AR3) connects the reference voltage source be comprised of three triode Q15, Q16, Q17 and resistor voltage divider networks, voltage signal on voltage division signal and current sampling resistor relatively, is realized the control to output current.
9. a kind of solar charger according to claim 2, three input ports (J1, J2, J3) that it is characterized in that described input circuit module (10), by three road solar module plug-in types inputs, by three diodes (D1, D3, D5) by three road solar module parallel connections.
10. a kind of solar charger according to claim 1, it is characterized in that described single-chip microcomputer is PIC16F1316, button and display module (60) that the chip that it is 74HC595 that described solar charger also comprises by model (U5) and display (U6) form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200422752U CN203339721U (en) | 2013-01-25 | 2013-01-25 | Solar energy charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200422752U CN203339721U (en) | 2013-01-25 | 2013-01-25 | Solar energy charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203339721U true CN203339721U (en) | 2013-12-11 |
Family
ID=49708377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200422752U Expired - Fee Related CN203339721U (en) | 2013-01-25 | 2013-01-25 | Solar energy charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203339721U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104980101A (en) * | 2015-07-10 | 2015-10-14 | 广州奥鹏能源科技有限公司 | Intelligent solar cell controller and method |
| CN107453698A (en) * | 2017-07-12 | 2017-12-08 | 桂林原动力科技有限公司 | The photovoltaic charging device and its control method of a kind of sliceable extension |
| CN110658761A (en) * | 2019-09-27 | 2020-01-07 | 北京四达时代软件技术股份有限公司 | Solar power supply control method and device |
-
2013
- 2013-01-25 CN CN2013200422752U patent/CN203339721U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104980101A (en) * | 2015-07-10 | 2015-10-14 | 广州奥鹏能源科技有限公司 | Intelligent solar cell controller and method |
| CN107453698A (en) * | 2017-07-12 | 2017-12-08 | 桂林原动力科技有限公司 | The photovoltaic charging device and its control method of a kind of sliceable extension |
| CN110658761A (en) * | 2019-09-27 | 2020-01-07 | 北京四达时代软件技术股份有限公司 | Solar power supply control method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103227483B (en) | A kind of solar charger for multiple battery charging | |
| CN203135479U (en) | Self-powered environmental monitoring equipment | |
| CN201075719Y (en) | Solar energy mobile power supply device | |
| CN103138352B (en) | Portable solar router | |
| CN203339721U (en) | Solar energy charger | |
| CN206323327U (en) | The long distance control system of wind and solar hybrid generating system | |
| CN106712199A (en) | Over-current protection circuit and method for automobile starting power supply | |
| CN203135515U (en) | Portable solar router | |
| CN104300662A (en) | Pico-satellite satellite-borne power system achieved based on pure hardware | |
| CN105322576A (en) | Mobile power supply with rapid charging function | |
| CN107482752A (en) | A kind of intelligent power supply system with the photovoltaic charged module of high pressure | |
| CN106712249A (en) | Automobile starting power source | |
| CN107618376B (en) | Automatic balancing system for wind energy lithium battery | |
| CN207304027U (en) | A kind of imput output circuit for automobile starting power supply | |
| CN110854984B (en) | Double-solar-panel double-lithium battery charging management system and implementation method thereof | |
| CN110943510B (en) | Power supply controller applied to individual communication system | |
| CN106899058A (en) | Aptitude chargeable circuit and the portable power source using the aptitude chargeable circuit | |
| CN204030645U (en) | The charging circuit of portable power source | |
| CN106787089A (en) | The energy stores and method for releasing of a kind of automobile starting power supply | |
| CN106936179A (en) | A kind of imput output circuit for automobile starting power supply | |
| CN207117277U (en) | A kind of power-supply system of the communicator based on solar energy power taking | |
| CN210629177U (en) | Double-solar-panel double-lithium battery charging management system | |
| CN206559117U (en) | A kind of embedded wearable solar electric power supply system | |
| CN205051421U (en) | Small -size string solar charging ware of organizing | |
| CN209526912U (en) | A kind of solar desk lamp control circuit having a display function and solar energy desk lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20220125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |