Heating system of a work machine, work machine and control method

CN114278623BActive Publication Date: 2026-05-29HUNAN SANY ZHONGYI MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUNAN SANY ZHONGYI MASCH CO LTD
Filing Date
2022-01-14
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

The heating systems of existing construction machinery cannot quickly switch between multiple heating modes, making it difficult to meet the needs of various working conditions, especially when material sticking occurs on the screed of the paver.

Method used

By connecting a variable frequency generator and a generator motor, and through multiple power outputs, combined with single or dual pump oil supply from a generator pump and a working pump, it is possible to switch between various heating modes such as rapid heating, energy-saving heating, and heating while moving.

Benefits of technology

It enables switching between multiple heating modes for operating machinery under different working conditions, improving the user experience and meeting the needs for rapid heating, energy-saving heating, and heating while moving.

✦ Generated by Eureka AI based on patent content.

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    Figure CN114278623B_ABST
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Abstract

The application provides a heating system of a working machine, the working machine and a control method. The heating system comprises an engine, a power generation pump connected with the engine, a working pump connected with the engine, a power generation motor connected with the power generation pump through a first hydraulic oil path, the power generation motor being selectively connected with the working pump through a second hydraulic oil path, a variable frequency power generator connected with the power generation motor, and a heater electrically connected with the variable frequency power generator. The application can realize multiple heating modes, meet the heating operation requirements under different working conditions, and improve the user experience.
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