CN103795099A - 30 W portable solar energy power supply - Google Patents
30 W portable solar energy power supply Download PDFInfo
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- CN103795099A CN103795099A CN201210431516.2A CN201210431516A CN103795099A CN 103795099 A CN103795099 A CN 103795099A CN 201210431516 A CN201210431516 A CN 201210431516A CN 103795099 A CN103795099 A CN 103795099A
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Abstract
The invention discloses a 30 W portable solar energy power supply.. The 30 W portable solar energy power supply comprises a 30 W photovoltaic assembly and a source chamber. The 30 W photovoltaic assembly and the source chamber are two mutually independent assemblies and are connected through a wire. The source chamber is internally provided with a charging controller, an energy storage battery, a first DC-DC conversion module and a second DC-DC conversion module, wherein the input of the charging controller is connected with the output of the 30 W photovoltaic assembly, the output of the charging controller is connected with the input of the energy storage battery, and the output of the energy storage battery is respectively connected with the first DC-DC conversion module and the second DC-DC conversion module. The 30 W portable solar energy power supply employs a split type design, the size is small, the weight is light, and the carrying is convenient. When power is needed, the output interface of the source chamber is directly connected, thus the use is facilitated.
Description
Technical field
The present invention relates to photovoltaic generation, relate in particular to a kind of 30W portable type solar energy power supply.
Background technology
In development of human history, the conventional energy resources such as coal, oil, natural gas occupy status of crucial importance always, but the approach exhaustion of conventional energy resource causes that the whole world is panic.The conventional energy resource reserves of China, far below world average level, approximately only have 10% of world average level.In the long run, regenerative resource is by the main energy sources source that is the following mankind, and therefore most developed countries and part developing country all attach great importance to the effect of regenerative resource in energy ratio in the world.The simultaneously day by day deterioration of climatic environment is also sounded the alarm to people, the holding of Copenhagen meeting, and the wordings such as " energy-saving and emission-reduction ", " low-carbon (LC) " are rooted in the hearts of the people, and the developing direction of global economy and clearing mark have also turned to low-carbon economy already.
Solar energy autonomous system power supply is at present from power stage, there are not tens watts to several kilowatts not etc., comprise and exchange output and direct current output, but large-scale independent current source is heavier, Miniature Power Unit function is incomplete, such as general small-sized solar portable power supplies output only has 5V, 9V or 12V interface, only can meet the use of the small electric apparatus such as DC lighting lamp, broadcast receiver.Therefore the portable type solar energy power supply of developing low-cost is significant.
Summary of the invention
Object of the present invention, the problem existing in order to solve above-mentioned prior art exactly, provides a kind of 30W portable type solar energy power supply.
In order to achieve the above object, the present invention has adopted following technical scheme: a kind of 30W portable type solar energy power supply, comprise 30W photovoltaic module and power supply box, and 30W photovoltaic module is two separate assemblies with power supply box and is connected by electric wire; Charge controller, energy-storage battery, a DC-DC modular converter and the 2nd DC-DC modular converter are installed in power supply box, wherein the input of charge controller connects the output of 30W photovoltaic module, the output of charge controller connects the input of energy-storage battery, and the output of energy-storage battery connects respectively a DC-DC modular converter and the 2nd DC-DC modular converter.
Described power supply box end is provided with an input interface and three output interfaces, three output interfaces are 5V-USB mouth, 12V round mouth and 19V round mouth, wherein 12V round mouth is directly connected with an output of energy-storage battery, 5V-USB mouth is connected with the output of a DC-DC modular converter, 19V round mouth is connected with the output of the 2nd DC-DC modular converter, energy-storage battery output 12V voltage, 12V voltage transitions is become 5V Voltage-output by the one DC-DC modular converter, and 12V voltage transitions is become 19V Voltage-output by the 2nd DC-DC modular converter.
Described energy-storage battery is nickel-cobalt-manganese ternary lithium ion battery group.
Described energy-storage battery is provided with protective circuit, and energy-storage battery is carried out to Cross prevention, over-charge protective, overcurrent protection and short-circuit protection.
The present invention, owing to having adopted above technical scheme, has following advantage and disadvantage:
1, split-type design, directly connects the output interface of power supply box when electricity consumption, easy to use.
2, three kinds of external interfaces, comprise 5V-USB mouth, 12V round mouth, 19V round mouth.
3, adopt the energy storage of ternary (nickel, cobalt, manganese) lithium ion battery group, charge and discharge electrically, useful life is better.
4, volume is little, lightweight, is convenient for carrying.
5, design electric quantity indication function, button inquiry mode, saves energy consumption.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of 30W portable type solar energy power supply of the present invention.
Embodiment
Referring to Fig. 1,30W portable type solar energy power supply of the present invention, comprises 30W photovoltaic module 1 and power supply box, and 30W photovoltaic module is two separate assemblies with power supply box and is connected by electric wire; Charge controller 2, energy-storage battery 3, a DC-DC modular converter 4 and the 2nd DC-DC modular converter 5 are installed in power supply box, wherein the input of charge controller connects the output of 30W photovoltaic module, the output of charge controller connects the input of energy-storage battery, and the output of energy-storage battery connects respectively a DC-DC modular converter and the 2nd DC-DC modular converter.
The end of the power supply box in the present invention is provided with an input interface and three output interfaces, input interface is for connecting the input of charge controller the output of 30W photovoltaic module, three output interfaces are 5V-USB mouth 6, 12V round mouth 7, with 19V round mouth 8, wherein 12V round mouth is directly connected with an output of energy-storage battery, 5V-USB mouth is connected with the output of a DC-DC modular converter, 19V round mouth is connected with the output of the 2nd DC-DC modular converter, energy-storage battery output 12V voltage, 12V voltage transitions is become 5V Voltage-output by the one DC-DC modular converter, 12V voltage transitions is become 19V Voltage-output by the 2nd DC-DC modular converter.
Energy-storage battery in the present invention is nickel-cobalt-manganese ternary lithium ion battery group.Adopt 30 batteries, battery serial number 3, in parallel several 10.The basic parameter of lithium ion battery group is as shown in table 1.
Table 1
The basic parameter of the 30W photovoltaic module 1 in the present invention is as shown in table 2:
Table 2
| Project | Parameter |
| Peak power rating (Wp) | 32W |
| Crest voltage (Vmp) | 18V |
| Peak current (Imp) | 1.78A |
| Open circuit voltage (Voc) | 22.0V |
| Short circuit current (Isc) | 1.99A |
Energy-storage battery in the present invention is provided with protective circuit, and energy-storage battery is carried out to Cross prevention, over-charge protective, overcurrent protection and short-circuit protection.
Protective circuit detects respectively the voltage and current of every battery in series battery, controls the charge and discharge process of battery pack.In battery pack, the voltage of every battery all detects voltage and crosses to put and detect between voltage overcharging, and output is during without short circuit phenomenon, metal-oxide-semiconductor conducting, and P+, P-exports battery voltage, and permission battery pack discharges and recharges operation.
Battery pack Cross prevention:
Be to put when the voltage drop of any battery in series battery and detected voltage and reached while putting delay time; Cross prevention function on; cut off electric discharge metal-oxide-semiconductor; forbid the external output current of battery pack; protection battery pack safety, circuit board enters resting state, and circuit board current sinking is below dormancy electric current; the circuit that enters resting state is only after connecting charger, and cell voltage exceeded after putting recovery voltage and could recover.
Battery pack over-charge protective:
In to batteries charging process; when rising to over-charging of battery, any batteries voltage detects voltage; and exceed while overcharging delay time; over-charge protective function on; cut off charging metal-oxide-semiconductor, forbid batteries charging, protection battery pack safety; drop to while overcharging below recovery voltage when battery pack connects load discharge or cell voltage, the state of overcharging is resumed.
Battery pack overcurrent protection:
In the time that overcurrent phenomenon occurs for battery power discharge port P+ and P-, protective circuit can be after overcurrent protection delay time, cuts off electric discharge metal-oxide-semiconductor, forbids that battery pack externally discharges, and after external short circuit is removed, circuit recovers automatically.
Battery pack short-circuit protection:
In the time that battery power discharge port P+ and P-are short-circuited, protective circuit can be after short-circuit protection delay time, cuts off electric discharge metal-oxide-semiconductor, forbids that battery pack externally discharges, and after external short circuit is removed, circuit recovers automatically.
Claims (4)
1. a 30W portable type solar energy power supply, is characterized in that: comprise 30W photovoltaic module and power supply box, 30W photovoltaic module is two separate assemblies with power supply box and is connected by electric wire; Charge controller, energy-storage battery, a DC-DC modular converter and the 2nd DC-DC modular converter are installed in power supply box, wherein the input of charge controller connects the output of 30W photovoltaic module, the output of charge controller connects the input of energy-storage battery, and the output of energy-storage battery connects respectively a DC-DC modular converter and the 2nd DC-DC modular converter.
2. 30W portable type solar energy power supply according to claim 1, it is characterized in that: described power supply box end is provided with an input interface and three output interfaces, three output interfaces are 5V-USB mouth, 12V round mouth and 19V round mouth, wherein 12V round mouth is directly connected with an output of energy-storage battery, 5V-USB mouth is connected with the output of a DC-DC modular converter, 19V round mouth is connected with the output of the 2nd DC-DC modular converter, energy-storage battery output 12V voltage, 12V voltage transitions is become 5V Voltage-output by the one DC-DC modular converter, 12V voltage transitions is become 19V Voltage-output by the 2nd DC-DC modular converter.
3. 30W portable type solar energy power supply according to claim 1, is characterized in that: described energy-storage battery is nickel-cobalt-manganese ternary lithium ion battery group.
4. 30W portable type solar energy power supply according to claim 1, is characterized in that: described energy-storage battery is provided with protective circuit, and energy-storage battery is carried out to Cross prevention, over-charge protective, overcurrent protection and short-circuit protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210431516.2A CN103795099A (en) | 2012-11-01 | 2012-11-01 | 30 W portable solar energy power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210431516.2A CN103795099A (en) | 2012-11-01 | 2012-11-01 | 30 W portable solar energy power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103795099A true CN103795099A (en) | 2014-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210431516.2A Pending CN103795099A (en) | 2012-11-01 | 2012-11-01 | 30 W portable solar energy power supply |
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| Country | Link |
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| CN (1) | CN103795099A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788200A (en) * | 2016-11-22 | 2017-05-31 | 深圳市明新能源科技有限公司 | A kind of portable solar energy case |
| CN114142590A (en) * | 2021-11-30 | 2022-03-04 | 广东电网有限责任公司东莞供电局 | Power box special for electric power rush-repair |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1972109A (en) * | 2006-12-06 | 2007-05-30 | 深圳市拓日电子科技有限公司 | Portable solar DC power supply apparatus |
| CN201956928U (en) * | 2010-09-25 | 2011-08-31 | 上海航天汽车机电股份有限公司太阳能***工程分公司 | Small power multiple purpose power system for photovoltaic household |
| CN202014108U (en) * | 2011-02-21 | 2011-10-19 | 上海博湃电子科技有限公司 | Alternating current direct current dual use power supply supplied by solar energy |
| CN202930978U (en) * | 2012-11-01 | 2013-05-08 | 上海太阳能科技有限公司 | 30W portable solar power supply |
-
2012
- 2012-11-01 CN CN201210431516.2A patent/CN103795099A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1972109A (en) * | 2006-12-06 | 2007-05-30 | 深圳市拓日电子科技有限公司 | Portable solar DC power supply apparatus |
| CN201956928U (en) * | 2010-09-25 | 2011-08-31 | 上海航天汽车机电股份有限公司太阳能***工程分公司 | Small power multiple purpose power system for photovoltaic household |
| CN202014108U (en) * | 2011-02-21 | 2011-10-19 | 上海博湃电子科技有限公司 | Alternating current direct current dual use power supply supplied by solar energy |
| CN202930978U (en) * | 2012-11-01 | 2013-05-08 | 上海太阳能科技有限公司 | 30W portable solar power supply |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788200A (en) * | 2016-11-22 | 2017-05-31 | 深圳市明新能源科技有限公司 | A kind of portable solar energy case |
| CN114142590A (en) * | 2021-11-30 | 2022-03-04 | 广东电网有限责任公司东莞供电局 | Power box special for electric power rush-repair |
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Application publication date: 20140514 |
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| RJ01 | Rejection of invention patent application after publication |