CN204376459U - A kind of solar panels power-supply system - Google Patents
A kind of solar panels power-supply system Download PDFInfo
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- CN204376459U CN204376459U CN201420842281.0U CN201420842281U CN204376459U CN 204376459 U CN204376459 U CN 204376459U CN 201420842281 U CN201420842281 U CN 201420842281U CN 204376459 U CN204376459 U CN 204376459U
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- storage battery
- solar panels
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- supply system
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Abstract
The utility model discloses a kind of solar panels power-supply system, comprise solar panels, charge controller and filling/supply power conversion circuit, these solar panels connect the input of this charge controller, the output of this charge controller connect fill/supply power conversion circuit, this fills/supplies power conversion circuit and comprises mutually and the first storage battery branch road connect and the second storage battery branch road, this the first storage battery branch road is the serial connection successively of this first storage battery and the first charge switch, this second battery circuit is the serial connection successively of the second storage battery and the second charge switch, be connected by a power switch between the negative terminal of this first storage battery and the anode of this second storage battery, of the present utility model fill/supply power conversion circuit achieve the first storage battery in same circuit be connected in series mutually with the second storage battery and and the flexible switching connect, reach the object that quick charge and double supply voltage are powered.
Description
Technical field
The utility model relates to a kind of power-supply system, particularly relates to a kind of solar panels power-supply system.
Background technology
At present, the solar panels electric power output voltage on market is less, and majority is 5V or 12V, when load needs larger voltage input, often needs expansion of power supply voltage exponentially.Be generally the power supply output reaching double voltage to need two storage batterys to carry out series-fed, and during charge in batteries, often need two storage battery parallel connections to charge to ensure to be full of fast simultaneously.Therefore need the annexation that a kind of power-supply system can change two battery feeds at any time quickly, make two battery feeds can according to charging with power supply need be operated in series model or paralleling model.
Utility model content
The utility model provides a kind of solar panels power-supply system, which overcomes the deficiencies in the prior art described in background technology.
The technical scheme adopted that the utility model solves its technical problem is:
A kind of solar panels power-supply system, comprise solar panels, charge controller and filling/supply power conversion circuit, these solar panels connect the input of this charge controller, the output of this charge controller connects this fills/supply power conversion circuit, this fills/supplies power conversion circuit and comprises mutually and the first storage battery branch road connect and the second storage battery branch road, this the first storage battery branch road is the serial connection successively of this first storage battery and the first charge switch, this second battery circuit is the serial connection successively of the second storage battery and the second charge switch, be connected by a power switch between the negative terminal of this first storage battery and the anode of this second storage battery, this the first storage battery branch road and the second storage battery branch road phase the two ends connect are as the output of this power-supply system, for and connect load.
Among one embodiment: also comprise indicating circuit, this indicating circuit comprises a voltage stabilizing circuit, a comparison circuit and an indicator light, the input of this voltage stabilizing circuit connects the output of this power-supply system, the input of this comparison circuit connects the output of this voltage stabilizing circuit and the output of this power-supply system, and the output of this comparison circuit connects this indicator light.
Among one embodiment: this first storage battery and the rated voltage of the second storage battery are mated with the output voltage of these solar panels.
Among one embodiment: this voltage stabilizing circuit comprises a voltage stabilizing chip and connect by this voltage stabilizing chip and some capacitor electrodes and forms.
Among one embodiment: this comparison circuit comprises a voltage comparator.
Among one embodiment: the voltage of voltage regulation of this voltage stabilizing chip is identical with the rated voltage of the second storage battery with this first storage battery.
Among one embodiment: the rated voltage of this first storage battery, the second storage battery, solar panels is 12V, this voltage stabilizing chip adopts LM7812.
Among one embodiment: this voltage comparator adopts LM339.
The technical program is compared with background technology, and its tool has the following advantages:
1, this fills/supplies power conversion circuit and comprises mutually and the first storage battery branch road connect and the second storage battery branch road, this the first storage battery branch road is the serial connection successively of this first storage battery and the first charge switch, this second battery circuit is the serial connection successively of the second storage battery and the second charge switch, is connected between the negative terminal of this first storage battery and the anode of this second storage battery by a power switch; When needs are to this first storage battery and the second charge in batteries, by disconnecting that power switch and closed first charge switch and the second charge switch realize the first storage battery and the second storage battery and connecing, reach the object of quick charge, when needs improve supply power voltage, disconnection first power switch and the second power switch and closed power switch are realized the serial connection of the first storage battery and the second storage battery, reach the object that two multiplication of voltages are powered; Namely this fills/supplies power conversion circuit and achieves the first storage battery and the second storage battery and be connected in series mutually and and the flexible switching connect.
2, solar panels power-supply system also comprises indicating circuit, this indicating circuit comprises a voltage stabilizing circuit, a comparison circuit and an indicator light, the input of this voltage stabilizing circuit connects the output of this power-supply system, the input of this comparison circuit connects the output of this voltage stabilizing circuit and the output of this power-supply system, and the output of this comparison circuit connects this indicator light; When this first, second storage battery is in and connects charged state, whether this first, second storage battery is full of user can be made to know by bright, the dark state of this comparison circuit switching indicator light.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 depicts a kind of circuit diagram of solar panels power-supply system.
Embodiment
Please refer to Fig. 1, a kind of solar panels power-supply system, comprise solar panels 10, charge controller 20, fill/supply power conversion circuit 30 and indicating circuit 40, these solar panels 10 connect the input of this charge controller 20, and the output of this charge controller 20 connects this and fills/supply power conversion circuit 30.
This fills/supplies power conversion circuit 30 and comprises mutually and the first storage battery branch road connect and the second storage battery branch road, this the first storage battery branch road is the serial connection successively of this first storage battery 31 and the first charge switch 32, this second battery circuit is the serial connection successively of the second storage battery 33 and the second charge switch 34, be connected by a power switch 35 between the negative terminal of this first storage battery 31 and the anode of this second storage battery 33, this the first storage battery branch road and the second storage battery branch road phase the two ends connect as the output of this power-supply system, for and connect load.
This indicating circuit 40 comprises voltage stabilizing circuit 41, comparison circuit 42 and an indicator light 43, the input of this voltage stabilizing circuit 41 connects the output of this power-supply system, the input of this comparison circuit 42 connects the output of this voltage stabilizing circuit 41 and the output of this power-supply system, and the output of this comparison circuit 42 connects this indicator light 43.This voltage stabilizing circuit 41 comprises a voltage stabilizing chip and is made up of this voltage stabilizing chip and some capacitors, and the voltage of voltage regulation of this voltage stabilizing chip is identical with the rated voltage of the second storage battery 33 with this first storage battery 31.This comparison circuit 42 comprises a voltage comparator.This indicator light 43 can be LED.
The rated voltage of this first storage battery 31 and the second storage battery 33 is mated with the output voltage of these solar panels 10.In the present embodiment, the rated voltage of this first storage battery 31, second storage battery 33, solar panels 10 is 12V, and this voltage stabilizing chip adopts LM7812, and this voltage comparator adopts LM339.During storage battery quantity not sufficient on daytime, solar panels 10 are this storage battery and load supplying by this charge controller 20, by disconnecting power switch 35 and closing the first charge switch 32 and second switch 34, make the first storage battery 31, second storage battery 33 is in and connects state, first storage battery 31, second storage battery 33 starts charging, comparison circuit 42 compares the first storage battery 31 in real time, the virtual voltage at the second storage battery 33 two ends and its rated voltage, when the first storage battery 31, after second storage battery 33 is full of, comparison circuit 42 output level switches, LED state switches thereupon and indicates the charged state of storage battery, when this load needs double rated voltage (i.e. 24V) to carry out powering or night, solar panel cannot generate electricity, by disconnecting the first charge switch 32 and the second charge switch 34 and closed power switch 35, the first storage battery 31, second storage battery 33 is made to be in serial connection state, the supply power voltage of now this load is this first storage battery 31 and second storage battery 33 voltage sum, namely can be load and provides double voltage.
The utility model achieves: in same circuit, only need stir respective switch and can reach the object that the first storage battery and the quick charge in parallel of the second storage battery or series connection twin voltage are powered.
The above, be only the utility model preferred embodiment, therefore the scope that the utility model implements can not be limited according to this, the equivalence namely done according to the utility model the scope of the claims and description change with modify, all should still belong in scope that the utility model contains.
Claims (8)
1. a solar panels power-supply system, comprise solar panels, charge controller and filling/supply power conversion circuit, these solar panels connect the input of this charge controller, the output of this charge controller connects this fills/supply power conversion circuit, it is characterized in that: this fills/supply power conversion circuit and comprises mutually and the first storage battery branch road connect and the second storage battery branch road, this the first storage battery branch road is the serial connection successively of this first storage battery and the first charge switch, this second battery circuit is the serial connection successively of the second storage battery and the second charge switch, be connected by a power switch between the negative terminal of this first storage battery and the anode of this second storage battery, this the first storage battery branch road and the second storage battery branch road phase the two ends connect are as the output of this power-supply system, for and connect load.
2. a kind of solar panels power-supply system according to claim 1, it is characterized in that: also comprise indicating circuit, this indicating circuit comprises a voltage stabilizing circuit, a comparison circuit and an indicator light, the input of this voltage stabilizing circuit connects the output of this power-supply system, the input of this comparison circuit connects the output of this voltage stabilizing circuit and the output of this power-supply system, and the output of this comparison circuit connects this indicator light.
3. a kind of solar panels power-supply system according to claim 1, is characterized in that: this first storage battery and the rated voltage of the second storage battery are mated with the output voltage of these solar panels.
4. a kind of solar panels power-supply system according to claim 2, is characterized in that: this voltage stabilizing circuit comprises a voltage stabilizing chip and connect by this voltage stabilizing chip and some capacitor electrodes and forms.
5. a kind of solar panels power-supply system according to claim 2, is characterized in that: this comparison circuit comprises a voltage comparator.
6. a kind of solar panels power-supply system according to claim 4, is characterized in that: the voltage of voltage regulation of this voltage stabilizing chip is identical with the rated voltage of the second storage battery with this first storage battery.
7. a kind of solar panels power-supply system according to claim 4, is characterized in that: the rated voltage of this first storage battery, the second storage battery, solar panels is 12V, and this voltage stabilizing chip adopts LM7812.
8. a kind of solar panels power-supply system according to claim 5, is characterized in that: this voltage comparator adopts LM339.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420842281.0U CN204376459U (en) | 2014-12-25 | 2014-12-25 | A kind of solar panels power-supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420842281.0U CN204376459U (en) | 2014-12-25 | 2014-12-25 | A kind of solar panels power-supply system |
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| Publication Number | Publication Date |
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| CN204376459U true CN204376459U (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420842281.0U Active CN204376459U (en) | 2014-12-25 | 2014-12-25 | A kind of solar panels power-supply system |
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| CN (1) | CN204376459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450070A (en) * | 2018-12-18 | 2019-03-08 | 深圳东方红鹰科技有限公司 | Solar recharging Switching power |
-
2014
- 2014-12-25 CN CN201420842281.0U patent/CN204376459U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450070A (en) * | 2018-12-18 | 2019-03-08 | 深圳东方红鹰科技有限公司 | Solar recharging Switching power |
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