Energy control method and system of lift truck
AssigneeZhejiang Dingli Machinery Co., Ltd.
InventorsZhong Xu, Shugen Xu
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to the technical field of lift trucks, and in particular, to an energy control method and system of a lift truck. The method includes the following steps: step 1, putting the lift truck in a working state, and downwards closing a work platform at a high place, wherein hydraulic oil in an upper lifting oil cylinder and hydraulic oil in a lower lifting oil cylinder start to flow back into a oil tank; step 2, driving a hydraulic element to rotate anticlockwise in the back flowing process of the hydraulic oil, wherein the anticlockwise rotation of the hydraulic element drives a motor to rotate anticlockwise to generate a reverse electromotive force, and the reverse electromotive force is rectified to output a direct current for energy recycling.
Claims10
An energy control method of a lift truck, wherein the method comprises the following steps:
- step 1, putting the lift truck in a working state, and downwards closing a work platform located at a high place, wherein hydraulic oil in an upper lifting oil cylinder and hydraulic oil in a lower lifting oil cylinder start to flow back into a oil tank;
- step 2, driving a hydraulic element to rotate anticlockwise in the back flowing process of the hydraulic oil, wherein the anticlockwise rotation of the hydraulic element drives a motor to rotate anticlockwise to generate a reverse electromotive force, and the reverse electromotive force is rectified to output direct current for energy recycling;
- and step 3, applying a part of the recycled feedback direct current to heating the hydraulic oil, and applying the other part to heating and charging a power battery.
An energy control system of a lift truck, wherein the energy control system comprises a work platform, a hydraulic system, a current distribution module, a power battery, a charging module, a battery heating module, and a hydraulic oil heating module, wherein the hydraulic system comprises a hydraulic element, an upper lifting oil cylinder, and a lower lifting oil cylinder;
- the hydraulic element is connected to a motor;
- the hydraulic system is configured to jack up the work platform and is configured to cause, when the work platform is lowered, the hydraulic oil to flow back to the hydraulic element for anticlockwise rotation and energy recycling;
- the motor is configured to convert power of anticlockwise rotation of the hydraulic element into electric energy;
- the current distribution module is configured to rectify the electric energy and distribute the electric energy to the power battery and the hydraulic oil for use;
- the charging module is configured to charge the power battery;
- the battery heating module is configured to heat the power battery;
- and the hydraulic oil heating module is configured to heat the hydraulic oil.
Dependencies are inferred from the claim text.