The invention belongs to the field of new energy automobile manufacturing, and provides an electric automobile solar power generation device and method.The device comprises a photovoltaic module, a high-voltage module, a low-voltage battery and a low-voltage load, and the high-voltage module comprises a high-voltage battery, a high-power one-way DC-DC, a low-power one-way DC-DC and a high-voltage relay switch; one end of the high-voltage relay switch is electrically connected with the high-voltage battery, the other end of the high-voltage relay switch is electrically connected with the high-power one-way DC-DC input end, the low-power one-way DC-DC input end is electrically connected with the photovoltaic module, and the low-power one-way DC-DC output end is electrically connected with the high-voltage battery. The photovoltaic module, the low-voltage battery and the high-power one-way DC-DC output end are respectively and electrically connected with the low-voltage load, and the photovoltaic module and the high-power one-way DC-DC output end are respectively and electrically connected with the low-voltage battery. According to the invention, the high-voltage battery can be charged in a parking state, and the low-voltage load can be charged in a driving state, so that the problem of solar energy storage of the electric vehicle is solved, and the solar energy utilization efficiency of the electric vehicle is also improved.
本发明属于新能源汽车制造领域,提供了一种电动汽车太阳能发电装置及方法,所述装置包括光伏模块、高压模块、低压电池和低压负载,高压模块包括高压电池、大功率单向DC‑DC、小功率单向DC‑DC、高压继电器开关,高压继电器开关一端与高压电池电性连接,另一端与大功率单向DC‑DC输入端电性连接,小功率单向DC‑DC输入端与光伏模块电性连接,小功率单向DC‑DC输出端与高压电池电性连接,光伏模块、低压电池以及大功率单向DC‑DC输出端分别与低压负载电性连接,光伏模块以及大功率单向DC‑DC输出端分别与低压电池电性连接。本发明可在停车状态给高压电池补电,可在行车状态给低压负载补充电能供应,既解决了电动汽车太阳能电能存储问题,也提升了电动汽车太阳能利用效率。
Automobile solar power generation device, charging method, utilization method, medium and automobile
汽车太阳能发电装置、补电方法、利用方法、介质及汽车
2024-11-15
Patent
Electronic Resource
Chinese
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