CN201075719Y - Solar energy mobile power supply device - Google Patents
Solar energy mobile power supply device Download PDFInfo
- Publication number
- CN201075719Y CN201075719Y CNU2007200918926U CN200720091892U CN201075719Y CN 201075719 Y CN201075719 Y CN 201075719Y CN U2007200918926 U CNU2007200918926 U CN U2007200918926U CN 200720091892 U CN200720091892 U CN 200720091892U CN 201075719 Y CN201075719 Y CN 201075719Y
- Authority
- CN
- China
- Prior art keywords
- power supply
- battery
- solar energy
- solar panel
- supply device
- 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
-
- 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
Abstract
The utility model relates to a solar energy mobile power supply device, which includes a case body, a case cover articulated with the case body, a battery arranged in the case body, a solar panel, a charging control circuit and a voltage stabilizing circuit which are arranged on a circuit board; an AC charging module U3 is arranged in the circuit, an AC/DC transfer switch K2 can be switched on with the solar panel to charge for the battery or be switched on with an AC charging module U3 to charge for the battery, an inverter U5 is connected with the battery, a charging selection control circuit U2 is connected with the output end of the voltage stabilizing circuit, a charging selection control circuit U2 can select the solar panel to supply power to the outside or select the battery to supply power to the outside or select both the solar panel and the battery to supply power to the outside. The solar energy mobile power supply device of the utility model can utilize the solar energy to charge for the battery, utilize the solar energy to output DC power and also can utilize 220 V AC power to charge for the battery. The battery can output DC power to the outside or outputs 220V AC power by the inverter, and supplies the power to an outer USB interface, thus realizing safety and portability. Also, the utility model has simple structure and is clean, pollution-free and very favorable for the generalization and implementation.
Description
One, technical field:
The utility model relates to a kind of combine with lithium ion (or ni-mh) rechargeable battery device of portable power of solar energy that utilizes, can with solve in the open air with other no civil power situation under the powerup issue of logarithmic code product or electrical appliance, particularly relate to a kind of solar energy movable power supply device.
Two, background technology:
Solar energy is a kind of regenerative resource of cleanliness without any pollution, and sufficiently and reasonably utilizing solar energy is the important channel that solves energy shortage and problem of environmental pollution.For more abundant with utilize solar energy easily, solar energy movable power supply systematic research exploitation has been become the focus of each country's research.Over nearly 20 years, the development of solar-photovoltaic technology and photovoltaic industry utilizes solar energy very general for novel new high-tech product charging such as notebook, mobile phone rapidly in the world wide.If in the place that not really spreads all over away from supplies of electric power such as the high mountain in cities and towns, valley, grassland or more convenient during the work of unregulated power supply place.Yet utilize the power-supply system of solar energy at present, mostly be large-scale plant, be unfavorable for moving power supply.And, overcast and rainy greasy weather gas sometimes inevitably occurs and cause the deficiency of sunray, if always rely on the sunlight power supply, certainly will cause some electronic products to quit work because of electricity shortage.Because a variety of causes people can not worry about with solar energy and be charge in batteries, in case forget to fill or undercharge, also will cause can not using of this supply unit always.So need a kind ofly can utilize solar powered the save energy or convenient the use, can use the 220V alternating current to come to be beneficial to standby supply unit at crucial moment again as charge in batteries, the direct current of storage battery output can be converted to the alternating current of 220V simultaneously at special occasions, this will further bring convenience for people.Nowadays most electrical appliances or light fixture operate as normal under alternating current utilizes solar energy for the power supply of part AC electric appliance, also helps making full use of solar energy, this aim of energy savings.
Three, utility model content:
The utility model is to overcome the deficiency that prior art exists, designing and produce a kind of can be charging power supply with solar energy and civil power (220V alternating current), again can output DC and the supply unit of 220V alternating current, particularly a kind of solar energy movable power supply device.
Technical scheme:
A kind of solar energy movable power supply device, comprise casing, hinged case lid on the casing, place storage battery and solar panel in the casing, and charging control circuit on the circuit board and voltage stabilizing circuit, in circuit, be provided with alternating current charging module U3, it is that charge in batteries or connection alternating current charging module U3 are charge in batteries that alternating current-direct current diverter switch K2 connects solar panel, be connected with inverter U5 with storage battery, be connected with charging with circuit output end of pressure-stabilizing and select control circuit U2, charging selects control circuit U2 to select solar panel externally to power, or selects storage battery externally to power, or selects the externally power supply simultaneously of solar panel and storage battery.
Also be connected with voltage stabilizing chip U4 with storage battery, the U4 output is connected with USB interface.
Described storage battery is a lithium ion battery, perhaps is Ni-MH battery.
Described diverter switch K2 is a double-point double-throw switch, and the selection that is implemented between solar power supply circuit and the alternating current charging module U3 is switched.
The electric current one tunnel that the solar panel positive pole sends connects the INPUT port of single-chip switching voltage-stabilized power supply circuit U4, and voltage stabilizing is selected directly externally output power supply of control circuit U3 gating field effect transistor Q9 or Q10 after overcharge; The charging control circuit that another road is then passed through to be made up of single-chip microcomputer U1 is to charge in batteries.
U1 is monolithic 8 8-digit microcontroller S3F84K4 or is charge controller MAX713.
Solar panel can take out in casing, is provided with supporting mechanism on solar panel.
In casing, be provided with display floater, display floater is provided with the voltmeter head of output voltage, the electric current gauge outfit of solar cell output current, on display floater or casing, be provided with alternating current-direct current charging diverter switch K2, direct current input switch K1, exchange output K switch 3, and 220V exchanges input socket, 220V exchanges accessory power outlet, solar energy input socket, direct current accessory power outlet, USB accessory power outlet.
The beneficial effects of the utility model:
1, solar energy movable power supply device of the present utility model, can be in the open air or other do not have to provide long power supply to consuming device under the situation of civil power.In the sunlight abundance, can utilize solar energy to be charge in batteries, can utilize the solar energy output DC simultaneously, make sun-generated electric power enter huge numbers of families, press close to people's life more.
2, solar energy movable power supply device of the present utility model in the sunlight deficiency, can utilize the 220V alternating current to be charge in batteries.
3, solar energy movable power supply device of the present utility model, storage battery externally output DC, by inverter output 220V alternating current, connect USB interface by the voltage stabilizing chip and power.Can in daily life and work, play a role, have more unique application advantage in fields such as tourism, exploration, geological prospecting and military affairs.
4, solar energy movable power supply device of the present utility model, the solar panel and polymer Li-ion (or ni-mh) battery of employing function admirable.Design new reasonable electronic control circuit, solar panel, rechargeable battery and electrical appliance are optimized configuration, be assembled into the light solar energy movable power supply system of a kind of safety, really realized safety, portable.
5, solar energy movable power supply device of the present utility model is rational in infrastructure, and safety is light, and can be portable type electronic product and move power supply, and cleanliness without any pollution, significant to the protection environment, be beneficial to very much promotion and implementation.
Four, description of drawings:
Fig. 1-1: solar energy movable power supply device box structural representation of the present utility model;
Fig. 1-2: the solar panel schematic diagram that is electrically connected with Fig. 1-1 casing;
The interior solar panel of casing, instrument face plate, lithium battery and the vertical mounting structure schematic diagram of control device among Fig. 2: Fig. 1-1;
The storage battery of casing bottom, lithium battery, control circuit and inverter mounting structure schematic diagram among Fig. 3: Fig. 1-1;
Fig. 4: instrument face plate structural representation;
Fig. 5: charging, power-supplying circuit FB(flow block);
Fig. 6: one of charging, power-supplying circuit figure;
Fig. 7: charging, power-supplying circuit figure weary two.
1 is casing among the figure, 2 is case lid, and 3 is solar panel, and 4 is instrument face plate, 5 is output voltage meter, 6 is the charging current table, and 7 is dc switch, and 8 is alternating-current switch, 9 is protective tube, 10 for 220V exchanges output socket, and 11 is alternating-current switch, and 12 are 220V interchange input, 13 are the solar cell input, 14 are the direct current input, and 15 are USB output, and 16 are the explanation tabulation, 17 is assemblies such as the battery, control device of casing bottom, 18 is polymer Li-ion battery, and 19 is inverter, and 20 is control circuit board.
U1 is monolithic 8 8-digit microcontroller S3F84K4 among Fig. 6, U2 is the adjustable voltage stabilizing chip of three ends TL431, U3 selects control circuit bq24700 for charging, U4 is switch voltage-stabilizing integrated circuit L4906, U5 is alternating current charging module KBL406, U6 is an inverter 19, and U7 is four voltage comparator LM358AM, and U8 is a voltage stabilizing chip 7805.
Five, specific embodiments:
Embodiment one: referring to Fig. 1-1-Fig. 7, execution mode of the present utility model is: a kind of solar energy movable power supply device, comprise casing 1, hinged case lid 2 on the casing 1, place lithium ion battery 18 and solar panel 3 in the casing 1, and charging control circuit on the circuit board 20 and voltage stabilizing circuit, in circuit, be provided with alternating current charging module KBL406, it is charge in batteries for lithium ion battery 18 charges or connects alternating current charging module KBL406 that alternating current-direct current diverter switch (dpdt double-pole double-throw (DPDT)) K2 connects solar panel 3, be connected with inverter 19 (U6) with storage battery, be connected with charging with circuit output end of pressure-stabilizing and select control circuit bq24700, charging selects control circuit bq24700 to select solar panel 3 externally to power, or select lithium ion battery 18 externally to power, or select the externally power supply simultaneously of solar panel 3 and lithium ion battery 18.Also be connected with voltage stabilizing chip 7805,7805 outputs with lithium ion battery and be connected with USB interface.
The electric current that solar panel sends is leaded up to the L4906 voltage stabilizing of single-chip switching voltage-stabilized power supply circuit and is selected control circuit bq24700 directly to power to consuming device after overcharge.Then charge to Li-Ion rechargeable battery by the charging control circuit of being made of single-chip microcomputer S3F84K4 in another road; Power with lithium ion battery by the charging selector when sunlight is weak.Under the situation that does not have the sun for a long time, lithium ion battery also can directly charge to battery pack by KBL406 with civil power.Lithium ion battery can also become the alternating current output power supply of 220V by the direct current of inverter about with 18V.The direct current output of 5V is provided simultaneously.
S3F84K4 is a monolithic 8 8-digit microcontrollers, provides for imitating CPU processing fast, abundant peripheral interface, and various types of programming ROM to the user.Its data/address bus structure and position programming I/O mouth provide a programmed environment flexibly, can satisfy the requirement of different user to memory and I/O interface.In Fig. 6, single-chip microcomputer S3F84K4 is according to Voltage Feedback and current feedback signal, and the output digital voltage signal also converts analog voltage signal to.Analog voltage signal is regulated the size of charging circuit output current, regulates the duty ratio of control signal, thereby adjusts the amplitude of pulse voltage or the size of constant current.Because the S3F84K4 series monolithic has PWM output, therefore can directly utilize PWM output to convert digital voltage signal to analog voltage signal, can guarantee precision, save D/A converter.Its concrete operation principle is as follows:
1, after single-chip microcomputer powers on, the main program of finishing system's main flow will use CALL instruction calls initialization function, and initial work comprises 3 aspects: define whole registers and one-chip machine port; Register and port status in the initialization sheet; System monitoring system reset also starts, and interruption reset condition is also waited for.
2, detect whether battery has been full of or the quality of battery.
3, battery has been full of or whether battery damages, is then to stop charging, otherwise battery is carried out precharge.
4, carry out constant current charge.
5, whether the detection charging voltage reaches predetermined value (according to the different set 4.1V or the 4.2V of battery), reaches then to change constant voltage charge over to, otherwise proceeds constant current charge.
6, when charging current during less than 0.1C, the expression battery then stops charging to be full of.
When solar panel can't normally be powered for consuming device, utilize bq4700 to automatically switch to rechargeable battery set and power for consuming device.Its operation principle is as follows: when solar panel is working properly, and ACPRES pin output high level, otherwise output low level.The solar panel output voltage is delivered to the ACDET pin behind the electric resistance partial pressure sample circuit, realize the purpose that the solar panel output voltage detects.Simultaneously, this electric resistance partial pressure sampling voltage is compared with internal reference voltage, when the ACDET pin voltage is lower than internal reference voltage, judge that the solar panel output voltage is undesired.This moment, the ACPRES pin became low level,
ACDRVPin output high level,
BATDRVThe pin output low level, it is the consuming device power supply that bq2700 selects rechargeable battery.If it is normal that the solar panel output voltage recovers, then the ACPRES pin becomes high level,
ACDRVThe pin output low level,
BATDRVIt is the consuming device power supply that pin output high level, bq2700 recover solar panel.
Portability for the solar notebook portable power source system that realizes the design, solar panel 3, reserve battery (lithium ion battery) 18 and control circuit 20 all are contained in 1 li in an aluminium alloy chest, according to the size of selecting solar panel 3 for use and control circuit part, reach various piece and can compactly place the assembling schematic diagram of system such as Fig. 1-1, Fig. 1-2, Fig. 2, shown in Figure 3.
During use, in chest, take out solar panel, open support, be placed under the sunlight, make solar panel at utmost receive sunlight.One end of lead is connect interface on the solar panel by both positive and negative polarity, and the other end is linked the cell input terminal of control board by both positive and negative polarity.
Under the situation that does not have sunlight fully, can be consuming device power supply 10 hours continuously, ac output voltage: 220V can be a minitelevision power supply 4 hours.
Embodiment two: referring to Fig. 1-1, Fig. 1-2, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 7, number identical with embodiment one, same meaning, do not repeat, different is: in Fig. 7, the electric current that solar panel sends is leaded up to the L4906 voltage stabilizing of single-chip switching voltage-stabilized power supply circuit and is selected control circuit bq24700 directly to power to consuming device after overcharge.Then charge to nickel-hydrogen chargeable cell by the battery charger of being made of charge controller MAX713 in another road.
MAX713 series is the quick charge managing chip, is fit to the charging needs of 1～16 joint Ni-MH battery or nickel-cadmium cell.Can programme by simple pin voltage configuration, realize NiCd/Ni-MH number of batteries and the control of maximum charge time.Control circuits such as the inner integrated voltage gradient detector of MAX713, temperature comparator, timer according to the testing result in voltage gradient, NiCd/Ni-MH battery temperature or charging interval, are controlled charged state automatically.
Change the PGM0 of MX713, the connection of PGM1 pin, quantity that can programmed settings Ni-MH battery to be charged with PGM1 end open circuit, when PGM0 terminates at Vref one end, promptly is programmed for 10 joint Ni-MH batteries chargings.And the Ni-MH battery quantity of actual charging also must be consistent with the quantity of being determined by PMG0 and the programming of PMG1 pin, may lose meaning otherwise utilize voltage gradient to detect charge function.
MX713 carries out trickle charge with the speed of C/16 when charging has just begun, and Ni-MH battery voltage begins to rise.After single-unit Ni-MH battery voltage rises to 0.4V, charge normal formally and begin, the voltage of Ni-MH battery and temperature continue to rise, it is constant that charging current remains on set point, when Ni-MH battery charges into after electric weight reaches rated value, the voltage of Ni-MH battery group begins to descend, and promptly du/dt is a negative value, and this moment, system transferred trickle charge to by charging normal.This moment, the voltage of Ni-MH battery group continued to descend, and remained unchanged when dropping to certain value, and the temperature of Ni-MH battery group also decreases, and just is transformed into by trickle charge then to charge normal.Can control charged state automatically according to the result who detects, be without prejudice to guarantee Ni-MH battery, and guarantee that battery is full of.
Claims (8)
1. solar energy movable power supply device, comprise casing, hinged case lid on the casing, place storage battery and solar panel in the casing, and charging control circuit on the circuit board and voltage stabilizing circuit, it is characterized in that: in circuit, be provided with alternating current charging module U3, it is that charge in batteries or connection alternating current charging module U3 are charge in batteries that alternating current-direct current diverter switch K2 connects solar panel, be connected with inverter U5 with storage battery, be connected with charging with circuit output end of pressure-stabilizing and select control circuit U2, charging selects control circuit U2 to select solar panel externally to power, or select storage battery externally to power, or select the externally power supply simultaneously of solar panel and storage battery.
2. solar energy movable power supply device according to claim 1 is characterized in that: also be connected with voltage stabilizing chip U4 with storage battery, the U4 output is connected with USB interface.
3. according to claim 1 or the described solar energy movable power supply device of 2 arbitrary claims, it is characterized in that: described storage battery is a lithium ion battery, perhaps is Ni-MH battery.
4. solar energy movable power supply device according to claim 1 is characterized in that: described diverter switch K2 is a double-point double-throw switch, and the selection that is implemented between solar power supply circuit and the alternating current charging module U3 is switched.
5. solar energy movable power supply device according to claim 1, it is characterized in that: the electric current one tunnel that the solar panel positive pole sends connects the INPUT port of single-chip switching voltage-stabilized power supply circuit U4, and voltage stabilizing is selected directly externally output power supply of control circuit U3 gating field effect transistor Q9 or Q10 after overcharge; The charging control circuit that another road is then passed through to be made up of single-chip microcomputer U1 is to charge in batteries.
6. solar energy movable power supply device according to claim 1 is characterized in that: U1 is monolithic 8 8-digit microcontroller S3F84K4 or is charge controller MAX713.
7. solar energy movable power supply device according to claim 1 is characterized in that: solar panel can take out in casing, is provided with supporting mechanism on solar panel.
8. solar energy movable power supply device according to claim 1, it is characterized in that: in casing, be provided with display floater, display floater is provided with the voltmeter head of output voltage, the electric current gauge outfit of solar cell output current, on display floater or casing, be provided with alternating current-direct current charging diverter switch K2, direct current input switch K1 exchanges output K switch 3, and 220V exchanges input socket, 220V exchanges accessory power outlet, solar energy input socket, direct current accessory power outlet, USB accessory power outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200918926U CN201075719Y (en) | 2007-09-18 | 2007-09-18 | Solar energy mobile power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200918926U CN201075719Y (en) | 2007-09-18 | 2007-09-18 | Solar energy mobile power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201075719Y true CN201075719Y (en) | 2008-06-18 |
Family
ID=39520976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200918926U Expired - Fee Related CN201075719Y (en) | 2007-09-18 | 2007-09-18 | Solar energy mobile power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201075719Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607687A (en) * | 2011-01-25 | 2012-07-25 | 上海寺冈电子有限公司 | Electronic scale with manually-operated generating function |
| CN103208842A (en) * | 2013-04-07 | 2013-07-17 | 安徽工程大学 | Novel family solar power supply system |
| US8645937B2 (en) | 2009-02-12 | 2014-02-04 | Fronius International Gmbh | Photovoltaic plant having a plurality of inverters, inverter, USB mass storage device and method for carrying out software updates on inverters |
| CN103840492A (en) * | 2012-11-21 | 2014-06-04 | 江苏天宇光伏科技有限公司 | Separation type solar power supply mobile power supply |
| CN104113096A (en) * | 2013-04-18 | 2014-10-22 | 陈立邦 | Handheld alternating-current/direct-current portable power source |
| CN104158258A (en) * | 2014-08-30 | 2014-11-19 | 国家电网公司 | Vehicle-mounted multifunctional photovoltaic power system |
| CN105790706A (en) * | 2014-12-26 | 2016-07-20 | 上海市格致中学 | Solar power generation mobile power supply |
| CN107368007A (en) * | 2017-07-07 | 2017-11-21 | 何志雄 | Has the Multifunctional luggage board of monitoring function |
| CN107394877A (en) * | 2017-09-08 | 2017-11-24 | 上海传英信息技术有限公司 | The mobile terminal of solar recharging and the method for solar recharging |
-
2007
- 2007-09-18 CN CNU2007200918926U patent/CN201075719Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8645937B2 (en) | 2009-02-12 | 2014-02-04 | Fronius International Gmbh | Photovoltaic plant having a plurality of inverters, inverter, USB mass storage device and method for carrying out software updates on inverters |
| AT508104B1 (en) * | 2009-02-12 | 2015-05-15 | Fronius Int Gmbh | PHOTOVOLTAIC SYSTEM WITH MULTIPLE INVERTERS, INVERTERS, USB MASS STORAGE DEVICE AND METHOD FOR PERFORMING SOFTWARE UPDATES TO INVERTERS |
| CN102607687A (en) * | 2011-01-25 | 2012-07-25 | 上海寺冈电子有限公司 | Electronic scale with manually-operated generating function |
| CN102607687B (en) * | 2011-01-25 | 2014-04-16 | 上海寺冈电子有限公司 | Electronic scale with manually-operated generating function |
| CN103840492A (en) * | 2012-11-21 | 2014-06-04 | 江苏天宇光伏科技有限公司 | Separation type solar power supply mobile power supply |
| CN103208842A (en) * | 2013-04-07 | 2013-07-17 | 安徽工程大学 | Novel family solar power supply system |
| CN104113096A (en) * | 2013-04-18 | 2014-10-22 | 陈立邦 | Handheld alternating-current/direct-current portable power source |
| CN104158258A (en) * | 2014-08-30 | 2014-11-19 | 国家电网公司 | Vehicle-mounted multifunctional photovoltaic power system |
| CN105790706A (en) * | 2014-12-26 | 2016-07-20 | 上海市格致中学 | Solar power generation mobile power supply |
| CN107368007A (en) * | 2017-07-07 | 2017-11-21 | 何志雄 | Has the Multifunctional luggage board of monitoring function |
| CN107394877A (en) * | 2017-09-08 | 2017-11-24 | 上海传英信息技术有限公司 | The mobile terminal of solar recharging and the method for solar recharging |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201075719Y (en) | Solar energy mobile power supply device | |
| CN202495893U (en) | Portable solar power generation device | |
| CN202014108U (en) | Alternating current direct current dual use power supply supplied by solar energy | |
| CN103138352B (en) | Portable solar router | |
| CN104270086B (en) | A kind of energy management control circuit of multifunctional light photovoltaic generating system | |
| CN204190690U (en) | The energy management control circuit of multifunctional light photovoltaic generating system | |
| CN204012830U (en) | Portable power source | |
| CN202663132U (en) | Mobile power supply | |
| CN201341034Y (en) | Notebook battery charger | |
| CN201576944U (en) | Vehicular solar energy mobile power supply | |
| CN203135515U (en) | Portable solar router | |
| CN200969525Y (en) | Solar energy electricity charger | |
| CN102487207A (en) | Solar charger | |
| CN201813324U (en) | Portable intelligent solar energy power source | |
| CN204928247U (en) | Charging system is switched to solar energy intelligence | |
| CN103280850A (en) | Drive circuit with charger baby and multipurpose LED (light-emitting diode) functions | |
| CN106899058A (en) | Aptitude chargeable circuit and the portable power source using the aptitude chargeable circuit | |
| CN203119566U (en) | Solar charger for converting polycrystalline silicon and amorphous silicon solar cell panels with each other | |
| CN202586404U (en) | Portable intelligent solar power supply | |
| CN202586384U (en) | Portable multifunctional solar charger | |
| CN206775211U (en) | A kind of solar energy constant charge device | |
| CN201097307Y (en) | Portable fan type notebook computer power supply device | |
| CN201682433U (en) | Hybrid energy power supply equipment | |
| CN201360229Y (en) | Back-pack type solar energy power supply device | |
| CN206293554U (en) | A kind of optical fiber splicer lithium battery group |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 Termination date: 20100918 |