CN202918220U - Independent control circuit for photovoltaic power generation system - Google Patents
Independent control circuit for photovoltaic power generation system Download PDFInfo
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- CN202918220U CN202918220U CN 201220609405 CN201220609405U CN202918220U CN 202918220 U CN202918220 U CN 202918220U CN 201220609405 CN201220609405 CN 201220609405 CN 201220609405 U CN201220609405 U CN 201220609405U CN 202918220 U CN202918220 U CN 202918220U
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Abstract
The utility model discloses an independent control circuit for a photovoltaic power generation system. The independent control circuit comprises a main controller unit, a signal collection unit, a load power supply unit and a display unit. The main controller unit comprises an ARM microcontroller, a crystal oscillator circuit and a reset circuit. The signal collection unit comprises an A/D converting circuit module, a solar cell panel output voltage detection circuit, a solar cell panel output current detection circuit, a storage battery output voltage detection circuit, a storage battery charging current detection circuit, a direct current load voltage detection circuit, a direct current load current detection circuit, an alternating current load voltage detection circuit and an alternating current load current detection circuit. The load power supply unit comprises a charging control circuit module, a DC/DC converting circuit module, a storage battery and an inverter. The display unit comprises a display drive circuit module, an LED display screen, an operation indicating lamp and a fault indicating lamp. The independent control circuit is reasonable in design, high in solar energy utilization rate, good in using effect, and convenient to popularize in use.
Description
Technical field
The utility model relates to the solar photovoltaic technology field, especially relates to a kind of independent photovoltaic generating system control circuit.
Background technology
When the non-renewable energy resources such as electric power, coal, oil signal for help repeatedly, when energy problem became the bottleneck of restriction international community economic development day by day, increasing country came into effect " sunlight program ", and the exploitation solar energy resources is sought the new power of economic development.Some high-caliber nuclear research institutions of Europe also begin to turn to regenerative resource.Under the promotion of international photovoltaic market great potential, the solar cell manufacturing industry of various countries falls over each other to drop into huge fund, and expanding production is to strive one seat.Because solar radiation is subject to the impact of the natural conditions such as weather, latitude, longitude during to ground, there is the continuous problem that changes of intermittence, direction of illumination and intensity time, Collection and use to solar energy is had higher requirement, the utilance of solar energy is also lower at present, and the field that utilizes of solar energy is badly in need of widening.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of independent photovoltaic generating system control circuit for above-mentioned deficiency of the prior art, and it is simple in structure, and is reasonable in design, and solar energy utilization ratio is higher, and result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of independent photovoltaic generating system control circuit, it is characterized in that: comprise Main Control Unit and be connected on the signal gathering unit of Main Control Unit input, and the load supplying unit and the display unit that are connected on the Main Control Unit output; Described Main Control Unit comprises ARM microcontroller and the crystal oscillating circuit and the reset circuit that join with the ARM microcontroller; Described signal gathering unit comprises the A/D change-over circuit module of joining with described ARM microcontroller input and the solar panel output voltage detecting circuit that joins with A/D change-over circuit module input, the solar panel output current detection circuit, the storage battery output voltage detecting circuit, the charge in batteries current detection circuit, the dc load voltage testing circuit, the DC load current detection circuit, AC load voltage detecting circuit and AC load current detection circuit, described solar panel output voltage detecting circuit and solar panel output current detection circuit all join with solar panel; Described load supplying unit comprises charging control circuit module and the DC/DC change-over circuit module of joining with described ARM microcontroller output, and the storage battery that all joins with charging control circuit module and DC/DC change-over circuit module, the output of described charging control circuit module and solar panel joins, the output of described DC/DC change-over circuit module is connected to inverter and DC load, the output of described inverter is connected to AC load, described storage battery output voltage detecting circuit and charge in batteries current detection circuit all join with described storage battery, described dc load voltage testing circuit and DC load current detection circuit all join with described DC load, and described AC load voltage detecting circuit and AC load current detection circuit all join with described AC load; Described display unit comprises the display driver circuit module of joining with described ARM microcontroller output and LED display, run indicator and the malfunction indicator lamp of joining with the output of described display driver circuit module.
Above-mentioned a kind of independent photovoltaic generating system control circuit is characterized in that: described ARM microcontroller is chip ARM1156T2.
Above-mentioned a kind of independent photovoltaic generating system control circuit, it is characterized in that: described run indicator and malfunction indicator lamp are the LED lamp.
The utility model compared with prior art has the following advantages:
1, of the present utility model simple in structure, reasonable in design.
2, intelligent degree of the present utility model is high, can be when sunlight be arranged be load supplying by DC/DC change-over circuit module, when sunlight is not enough, be load supplying by storage battery, automatically finish switching.
3, the utility model is particularly suitable for being applied in the place that intermittence, direction of illumination and intensity time constantly change, and can collect to greatest extent and utilize solar energy, and the utilance of solar energy is higher, and the field that utilizes of solar energy has obtained widening.
4, result of use of the present utility model is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, and is reasonable in design, and solar energy utilization ratio is higher, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-ARM microcontroller; 2-crystal oscillating circuit; 3-reset circuit;
4-A/D change-over circuit module; 5-solar panel output voltage detecting circuit;
6-solar panel output current detection circuit; 7-storage battery output voltage detecting circuit;
8-charge in batteries current detection circuit; 9-dc load voltage testing circuit;
10-DC load current detection circuit; 11-AC load voltage detecting circuit;
12-AC load current detection circuit; 13-solar panel;
14-charging control circuit module; 15-DC/DC change-over circuit module;
16-storage battery; 17-inverter; 18-DC load;
19-AC load; 20-display driver circuit module;
21-LED display; 22-run indicator; 23-malfunction indicator lamp.
Embodiment
As shown in Figure 1, the utility model comprises Main Control Unit and is connected on the signal gathering unit of Main Control Unit input, and the load supplying unit and the display unit that are connected on the Main Control Unit output; Described Main Control Unit comprises ARM microcontroller 1 and the crystal oscillating circuit 2 and the reset circuit 3 that join with ARM microcontroller 1; Described signal gathering unit comprises the A/D change-over circuit module 4 of joining with described ARM microcontroller 1 input and the solar panel output voltage detecting circuit 5 that joins with A/D change-over circuit module 4 inputs, solar panel output current detection circuit 6, storage battery output voltage detecting circuit 7, charge in batteries current detection circuit 8, dc load voltage testing circuit 9, DC load current detection circuit 10, AC load voltage detecting circuit 11 and AC load current detection circuit 12, described solar panel output voltage detecting circuit 5 and solar panel output current detection circuit 6 all join with solar panel 13; Described load supplying unit comprises charging control circuit module 14 and the DC/DC change-over circuit module 15 of joining with described ARM microcontroller 1 output, and the storage battery 16 that all joins with charging control circuit module 14 and DC/DC change-over circuit module 15, the output of described charging control circuit module 14 and solar panel 13 joins, the output of described DC/DC change-over circuit module 15 is connected to inverter 17 and DC load 18, the output of described inverter 17 is connected to AC load 19, described storage battery output voltage detecting circuit 7 and charge in batteries current detection circuit 8 all join with described storage battery 16, described dc load voltage testing circuit 9 and DC load current detection circuit 10 all join with described DC load 18, and described AC load voltage detecting circuit 11 and AC load current detection circuit 12 all join with described AC load 19; Described display unit comprises the display driver circuit module 20 of joining with described ARM microcontroller 1 output and LED display 21, run indicator 22 and the malfunction indicator lamp 23 of joining with the output of described display driver circuit module 20.
In the present embodiment, described ARM microcontroller 1 is chip ARM1156T2.Described run indicator 22 and malfunction indicator lamp 23 are the LED lamp.
The course of work of the present utility model is: 4 pairs of solar panel output voltage detecting circuits 5 of A/D change-over circuit module, solar panel output current detection circuit 6, storage battery output voltage detecting circuit 7, charge in batteries current detection circuit 8, dc load voltage testing circuit 9, DC load current detection circuit 10, AC load voltage detecting circuit 11 and AC load current detection circuit 12 detected voltage and current signals gather and are transported to ARM microcontroller 1, ARM microcontroller 1 analyzing and processing data is also controlled 14 pairs of storage batterys of charging control circuit module 16 charging and control DC/DC change-over circuit module 15 is carried out conversion with the solar energy that solar panel 13 transforms, DC/DC change-over circuit module 15 is DC load 18 power supplies, control DC/DC change-over circuit module 15 is AC load 19 power supplies by inverter 17,20 pairs of ARM microcontroller 1 control display drive circuit modules detect information exchange and cross LED display 21 demonstrations, run indicator 22 is lighted during normal operation, malfunction indicator lamp 23 is lighted during operation troubles, when solar irradiation is not enough, ARM microcontroller 1 control storage battery 16 is by the 15 supply load electricity consumptions of DC/DC change-over circuit module, this independent photovoltaic generating system useful application realizes the independently-powered of independent photovoltaic generating in away from places such as public electric wire net and non-Electric region territories.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every any simple modification, change and equivalent structure of above embodiment being done according to the utility model technical spirit changes, and all still belongs in the protection range of technical solutions of the utility model.
Claims (3)
1. independent photovoltaic generating system control circuit is characterized in that: comprises Main Control Unit and is connected on the signal gathering unit of Main Control Unit input, and the load supplying unit and the display unit that are connected on the Main Control Unit output; Described Main Control Unit comprises ARM microcontroller (1) and the crystal oscillating circuit (2) and the reset circuit (3) that join with ARM microcontroller (1); Described signal gathering unit comprises the A/D change-over circuit module (4) of joining with described ARM microcontroller (1) input and the solar panel output voltage detecting circuit (5) that joins with A/D change-over circuit module (4) input, solar panel output current detection circuit (6), storage battery output voltage detecting circuit (7), charge in batteries current detection circuit (8), dc load voltage testing circuit (9), DC load current detection circuit (10), AC load voltage detecting circuit (11) and AC load current detection circuit (12), described solar panel output voltage detecting circuit (5) and solar panel output current detection circuit (6) all join with solar panel (13); Described load supplying unit comprises charging control circuit module (14) and the DC/DC change-over circuit module (15) of joining with described ARM microcontroller (1) output, and the storage battery (16) that all joins with charging control circuit module (14) and DC/DC change-over circuit module (15), the output of described charging control circuit module (14) and solar panel (13) joins, the output of described DC/DC change-over circuit module (15) is connected to inverter (17) and DC load (18), the output of described inverter (17) is connected to AC load (19), described storage battery output voltage detecting circuit (7) and charge in batteries current detection circuit (8) all join with described storage battery (16), described dc load voltage testing circuit (9) and DC load current detection circuit (10) all join with described DC load (18), and described AC load voltage detecting circuit (11) and AC load current detection circuit (12) all join with described AC load (19); Described display unit comprises the display driver circuit module (20) of joining with described ARM microcontroller (1) output and LED display (21), run indicator (22) and the malfunction indicator lamp (23) of joining with the output of described display driver circuit module (20).
2. according to a kind of independent photovoltaic generating system control circuit claimed in claim 1, it is characterized in that: described ARM microcontroller (1) is chip ARM1156T2.
3. according to a kind of independent photovoltaic generating system control circuit claimed in claim 1, it is characterized in that: described run indicator (22) and malfunction indicator lamp (23) are the LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220609405 CN202918220U (en) | 2012-11-16 | 2012-11-16 | Independent control circuit for photovoltaic power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220609405 CN202918220U (en) | 2012-11-16 | 2012-11-16 | Independent control circuit for photovoltaic power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202918220U true CN202918220U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220609405 Expired - Fee Related CN202918220U (en) | 2012-11-16 | 2012-11-16 | Independent control circuit for photovoltaic power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202918220U (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 |
| CN109406868A (en) * | 2018-12-21 | 2019-03-01 | 云南电网有限责任公司电力科学研究院 | Circuit board, system and program-controlled power signal device applied to simulated failure detection |
| CN109407041A (en) * | 2018-12-21 | 2019-03-01 | 云南电网有限责任公司电力科学研究院 | A kind of simulated failure detection circuit board and simulated failure detection system |
-
2012
- 2012-11-16 CN CN 201220609405 patent/CN202918220U/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 |
| CN109406868A (en) * | 2018-12-21 | 2019-03-01 | 云南电网有限责任公司电力科学研究院 | Circuit board, system and program-controlled power signal device applied to simulated failure detection |
| CN109407041A (en) * | 2018-12-21 | 2019-03-01 | 云南电网有限责任公司电力科学研究院 | A kind of simulated failure detection circuit board and simulated failure detection system |
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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: 20130501 Termination date: 20141116 |
|
| EXPY | Termination of patent right or utility model |