Solar auxiliary charging and cooling system for electric excavator

By integrating the solar-aided charging system with the thermal management system of the electric excavator, cooling and cooling of solar photovoltaic panels, confluence boxes and inverse control machines is achieved, which solves the problem of temperature affecting power generation efficiency and improves the efficiency and safety of the system.

CN222721177UActive Publication Date: 2025-04-04QINGDAO LOVOL EXCAVATOR +1
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Patent Information

Application Number
CN202421394503.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-04-04
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

The existing solar-assisted charging system ignores the impact of temperature on the power generation efficiency of photovoltaic panels, resulting in a reduction in power generation efficiency under high temperature conditions, and the problems of equipment overheating and safety hazards.

Method used

Integrate the solar-aided charging system with the thermal management system of the electric excavator, and use the thermal management system to control the solenoid valve block to achieve cooling and cooling of the solar photovoltaic panels, the confluence box and the reverse control all-in-one machine to ensure that the temperature is maintained at the optimal power generation temperature.

Benefits of technology

It improves the power generation efficiency of solar photovoltaic panels, extends the service life of the equipment, reduces safety risks, and ensures the stable operation of the system.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model relates to a solar auxiliary charging and cooling system for an electric excavator. The solar auxiliary charging and cooling system comprises a solar photovoltaic panel, a combiner box, an inverse control all-in-one machine, a high-voltage distribution box, a thermal management system, an electromagnetic valve block and a cooling pipeline, wherein the solar photovoltaic panel, the combiner box, the inverse control all-in-one machine and the high-voltage distribution box are connected in sequence to realize auxiliary charging of the power battery; the thermal management system is powered by the power battery and is used for driving the cooling liquid to flow in the cooling pipeline; the cooling pipeline is provided with an electromagnetic valve block, and the electromagnetic valve block divides the cooling pipeline into a power battery cooling pipeline, a solar photovoltaic panel cooling pipeline, a combiner box cooling pipeline and an inverse control all-in-one machine cooling pipeline. The solar auxiliary charging system and the thermal management system in the electric excavator are integrated together, and the thermal management system of the electric excavator is used for cooling all structures in the solar auxiliary charging system, so that the temperature of a solar cell panel is always kept at the optimal power generation temperature.
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