CN204304464U - A kind of solar grid-connected inverse control system - Google Patents
A kind of solar grid-connected inverse control system Download PDFInfo
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- CN204304464U CN204304464U CN201420836742.3U CN201420836742U CN204304464U CN 204304464 U CN204304464 U CN 204304464U CN 201420836742 U CN201420836742 U CN 201420836742U CN 204304464 U CN204304464 U CN 204304464U
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- 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
Abstract
Solar grid-connected inverse control system, comprises solar panels module, DC-DC module, charging control circuit, batteries, power supply and communication signal detection control circuit, inverter circuit, filter circuit, switching module and cutting-in control circuit.Solar panels module connects DC-DC module, DC-DC module connects charging control circuit and power supply and communication signal detection control circuit, charging control circuit connecting communication signal detection control circuit, batteries and inverter circuit, inverter circuit connects power supply and communication signal detection control circuit and filter circuit, filter circuit connects and switches module, switches module and connects power supply and communication signal detection control circuit and cutting-in control circuit.Switch module and comprise output detection circuit, control switching circuit and relay switch group, output detection circuit connects control switching circuit, and control switching circuit connects relay switch group.Cutting-in control circuit is connected to network system and alternating current 220V load.Circuit stability, easy to implement, the demand of photovoltaic generation can be met.
Description
Technical field
The utility model relates to photovoltaic power generation technology, especially relevant with a kind of structure of solar grid-connected inverse control system.
Background technology
Along with socioeconomic development, utilizing solar electrical energy generation to become provides a reliable approach of the productive life energy and environmental protect pollution problem.Solar energy (photovoltaic) combining inverter is the bridge that solar energy (photovoltaic) battery component is connected with AC network, is the core of photovoltaic generating system, and the height of its efficiency, the quality of reliability will directly affect the performance of whole photovoltaic generating system.Existing solar grid-connected inverse control system, great majority simply can only realize opto-electronic conversion, circuit boosting, circuit inversion, and pushing electric network, to the process of " utility grid ", complete detection and control are not carried out to whole " light ", resist fluctuation ability more weak, can not reflect in time when there is circuit abnormality, even the work of influential system; If phase place and the frequency of the signal of telecommunication after inversion are not mated with civil power, extreme influence will be caused.Therefore, need to be improved.
Utility model content
The utility model provides a kind of solar grid-connected inverse control system, to solve above-mentioned the deficiencies in the prior art, pass through circuit structure design, realizing the electrical power storage of solar energy conversion and on the basis of inversion, innovating and add detection control means, the signals such as DC-DC module power output, battery charging current voltage, inverter circuit operating current voltage can be detected, and regulated and controled, add switching module simultaneously, in abnormal cases, the connection of relay switch cutting system and electrical network can be controlled.Circuit system Stability Analysis of Structures, easy to implement.
In order to realize the purpose of this utility model, intend adopting following technology:
A kind of solar grid-connected inverse control system, it is characterized in that, comprise solar panels module, DC-DC module, charging control circuit, batteries, power supply and communication signal detection control circuit, inverter circuit, filter circuit, switching module and cutting-in control circuit, wherein:
Described solar panels module connects DC-DC module,
Described DC-DC module connects charging control circuit and power supply and communication signal detection control circuit,
Described charging control circuit connecting communication signal detection control circuit, batteries and inverter circuit,
Described inverter circuit connects power supply and communication signal detection control circuit and filter circuit,
Described filter circuit connects switching module,
Described switching module connects power supply and communication signal detection control circuit and cutting-in control circuit, wherein:
Described switching module comprises output detection circuit, control switching circuit and relay switch group, and described output detection circuit connects control switching circuit, and described control switching circuit connects relay switch group.
Described cutting-in control circuit is connected to network system and alternating current 220V load.
Further, described solar panels module is made up of multiple solar panel, and described DC-DC module is made up of multiple DC-DC booster circuit, and each solar panel connects with corresponding DC-DC booster circuit.
Further, described batteries two ends are parallel with fuse group, in order to protect batteries.
Further, described power supply and communication signal detection control circuit are also connected with liquid crystal display, and liquid crystal display can the numerical value such as electric current, voltage, power of display power supply and each module of communication signal detection control electric circuit inspection.
Further, described power supply and communication signal detection control circuit are also connected with hand control switch, and manually gauge tap sends signal, and power supply and communication signal detection control circuit can respond this manual ringing, thus control system.
The advantage of technique scheme is:
1, circuit structure design is passed through, realize by solar energy transform electrical power storage and on the basis of inversion, innovation adds detection control means, can detect the signals such as DC-DC module power output, battery charging current voltage, inverter circuit operating current voltage, and can be regulated and controled;
2, power supply and communication signal detection control circuit can detect the power output of DC-DC module, and by regulating and controlling the middle DC-DC booster circuit dutycycle of DC-DC module, change power output;
3, charging control circuit, can control the electricity that DC-DC module is carried, detects the impulse electricity of battery, also the electricity that DC-DC module is carried can be delivered to inverter circuit, or the electricity of battery is delivered to inverter circuit by control battery discharging;
4, add switching module, output detection circuit can detect the signal of telecommunication exported through filter circuit, and under detecting that abnormal conditions appear in circuit, control switching circuit can control the connection of relay switch group cutting system and electrical network; Meanwhile, switching module can also the control signal that sends of power source-responsive and communication signal detection control circuit;
5, the numerical value such as the electric current detected, voltage, power can be delivered to liquid crystal display and be shown by power supply and communication signal detection control circuit;
6, manually gauge tap sends signal, and power supply and communication signal detection control circuit can respond this manual ringing, thus control system;
7, batteries two ends are parallel with fuse group, in order to protect batteries;
8, circuit system Stability Analysis of Structures, easy to implement, can meet the demand of photovoltaic generation.
Accompanying drawing explanation
Fig. 1 shows the utility model structural representation.
Detailed description of the invention
As shown in Figure 1, a kind of solar grid-connected inverse control system, comprises solar panels module, DC-DC module, charging control circuit, batteries, power supply and communication signal detection control circuit, inverter circuit, filter circuit, switching module and cutting-in control circuit.
Described solar panels module connects DC-DC module, described DC-DC module connects charging control circuit and power supply and communication signal detection control circuit, described charging control circuit connecting communication signal detection control circuit, batteries and inverter circuit, described inverter circuit connects power supply and communication signal detection control circuit and filter circuit, described filter circuit connects switching module, described switching module connects power supply and communication signal detection control circuit and cutting-in control circuit, wherein: described switching module comprises output detection circuit, control switching circuit and relay switch group, described output detection circuit connects control switching circuit, described control switching circuit connects relay switch group.Described cutting-in control circuit is connected to network system and alternating current 220V load.
Solar panels module is made up of multiple solar panel, and DC-DC module is made up of multiple DC-DC booster circuit, and each solar panel connects with corresponding DC-DC booster circuit.In embodiments, DC12V solar panel is selected.Sunshine is converted into the DC12V signal of telecommunication by DC12V solar panel, through DC-DC booster circuit boosting, and rear feeding charging control circuit.Power supply and communication signal detection control circuit can detect the power output of DC-DC module, and as required, by DC-DC booster circuit dutycycle in regulation and control DC-DC module, can change power output.Charging control circuit, can control the electricity that DC-DC module is carried, and also the electricity that DC-DC module is carried can be delivered to inverter circuit, or control batteries electric discharge, the electricity of batteries is delivered to inverter circuit.Power supply and communication signal detection control circuit pass through charging control circuit, can detect the impulse electricity of batteries, comprise and detect charging current, voltage, whether saturatedly charge, and control signal can be sent according to charge condition to charging control circuit, by charging control circuit, accumulator cell charging and discharging is controlled.The electric current that solar panels module is directly carried by inverter circuit, or batteries discharge current, carry out inversion process, be converted to alternating current, then circuit carries out filtering process after filtering.The output detection circuit switching module can detect the signal of telecommunication exported through filter circuit, and under detecting that abnormal conditions appear in circuit, control switching circuit can control the connection of relay switch group cutting system and electrical network; Meanwhile, switching module can also the control signal that sends of power source-responsive and communication signal detection control circuit.Cutting-in control circuit, can detect the alternating current switching module conveying, comprises detected phase, frequency etc., and adjust the alternating current of conveying, make its phase place, frequency consistent with the civil power of network system.
Described batteries two ends are parallel with fuse group, in order to protect batteries.
Described power supply and communication signal detection control circuit are also connected with liquid crystal display, and liquid crystal display can the numerical value such as electric current, voltage, power of display power supply and each module of communication signal detection control electric circuit inspection.
Described power supply and communication signal detection control circuit are also connected with hand control switch, and manually gauge tap sends signal, and power supply and communication signal detection control circuit can respond this manual ringing, thus control system.
Claims (6)
1. a solar grid-connected inverse control system, it is characterized in that, comprise solar panels module, DC-DC module, charging control circuit, batteries, power supply and communication signal detection control circuit, inverter circuit, filter circuit, switching module and cutting-in control circuit, wherein:
Described solar panels module connects DC-DC module,
Described DC-DC module connects charging control circuit and power supply and communication signal detection control circuit,
Described charging control circuit connecting communication signal detection control circuit, batteries and inverter circuit,
Described inverter circuit connects power supply and communication signal detection control circuit and filter circuit,
Described filter circuit connects switching module,
Described switching module connects power supply and communication signal detection control circuit and cutting-in control circuit, wherein:
Described switching module comprises output detection circuit, control switching circuit and relay switch group, and described output detection circuit connects control switching circuit, and described control switching circuit connects relay switch group.
2. solar grid-connected inverse control system according to claim 1, it is characterized in that, described solar panels module is made up of multiple solar panel, and described DC-DC module is made up of multiple DC-DC booster circuit, and each solar panel connects with corresponding DC-DC booster circuit.
3. solar grid-connected inverse control system according to claim 1, is characterized in that, described cutting-in control circuit is connected to network system and alternating current 220V load.
4. solar grid-connected inverse control system according to claim 1, is characterized in that, described batteries two ends are parallel with fuse group.
5. solar grid-connected inverse control system according to claim 1, is characterized in that, described power supply and communication signal detection control circuit are also connected with liquid crystal display.
6. solar grid-connected inverse control system according to claim 1, is characterized in that, described power supply and communication signal detection control circuit are also connected with hand control switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420836742.3U CN204304464U (en) | 2014-12-26 | 2014-12-26 | A kind of solar grid-connected inverse control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420836742.3U CN204304464U (en) | 2014-12-26 | 2014-12-26 | A kind of solar grid-connected inverse control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204304464U true CN204304464U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420836742.3U Expired - Fee Related CN204304464U (en) | 2014-12-26 | 2014-12-26 | A kind of solar grid-connected inverse control system |
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| CN (1) | CN204304464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834681A (en) * | 2017-10-20 | 2018-03-23 | 合肥成科电子科技有限公司 | A kind of novel solar power generation controller |
-
2014
- 2014-12-26 CN CN201420836742.3U patent/CN204304464U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834681A (en) * | 2017-10-20 | 2018-03-23 | 合肥成科电子科技有限公司 | A kind of novel solar power generation controller |
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| Date | Code | Title | Description |
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| 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: 20150429 Termination date: 20151226 |
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| EXPY | Termination of patent right or utility model |