The invention provides a line for intelligently detecting solar energy output power in a vehicle-mounted switching power supply, the input end of a Buck-Boost line in the line is connected with a solar cell PV, the output is connected with a bridge type main power line, the output positive end is bus voltage VBUS, an MCU controls the VBUS by adjusting the duty ratio of the Buck-Boost line, and the output power of the Buck-Boost line is controlled by the MCU. The input current sampling resistor RS1 is connected in series between the negative end Vin-of the solar cell and the negative end of the Buck-Boost circuit, and the MCU calculates the product of a detected input current signal and a voltage signal to obtain the output power of the solar cell and compares the output power with a power setting point; according to the circuit for intelligently detecting the solar output power in the switching power supply, the output power of the solar cell can be effectively and accurately detected, then the environment where the solar cell is located is judged, the circuit is simple in structure, low in cost and high in practicability, and contributions are made to development of solar electric automobiles.
本发明提供一种车载开关电源中智能检测太阳能输出功率的线路,该线路中Buck‑Boost线路的输入端连接太阳能电池PV,输出连接桥式主功率线路,输出正端为母线电压VBUS,MCU通过调节Buck‑Boost线路的占空比来控制VBUS的大小,输入电流采样电阻RS1串联在太阳能电池的负端Vin‑和Buck‑Boost线路的负端之间,MCU通过计算检测到的输入电流信号和电压信号的乘积来得到太阳能电池的输出功率并与功率设置点进行对比;本发明提供的这种开关电源中智能检测太阳能输出功率的线路,可以有效精准的检测太阳能电池的输出功率,进而判断出太阳能电池所处的环境,线路结构简单,成本低,实用性强,为太阳能电动汽车的发展做出贡献。
Circuit for intelligently detecting solar output power in vehicle-mounted switching power supply
一种车载开关电源中智能检测太阳能输出功率的线路
2023-09-05
Patent
Elektronische Ressource
Chinesisch
IPC: | H02S GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, E.G. USING PHOTOVOLTAIC [PV] MODULES , Erzeugung elektrischer Energie durch Umwandlung von Infrarot-Strahlung, sichtbarem Licht oder ultraviolettem Licht, z.B. unter Verwendung von Photovoltaik [PV]-Modulen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen |
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