APPARATUS FOR CALCULATING OPERATIONAL TIME OF HYBRID CONSTRUCTION MACHINE AND METHOD THEREFOR
First Claim
1. A hybrid construction machine comprising,an engine,a generator connected to the engine,a converter connected to the generator, and an ESS connected to the converter,a converter current detector that is positioned either between the converter and the generator or between the converter and the ESS, and detects a current flowing between the converter and the generator;
- an ESS current detector that is positioned between the converter and the ESS, and detects the current flowing between the converter and the ESS; and
a processing unit that receives the currents detected by the converter current detector as well as the ESS current detector, and calculates an operation time of the respective component.
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Accused Products
Abstract
A hybrid construction machine is disclosed, which comprises an engine, a generator, the generator connected to the engine, a converter connected to the generator, and an ESS (Energy Storage System) connected to the converter. The hybrid construction machine further comprises a converter current detector positioned either between the converter and the generator or between the converter and the ESS to detect the current flowing between the converter and the generator, an ESS current detector positioned between the converter and the ESS to detect the current flowing between the converter and the ESS, a processing unit receiving the current detected from the converter current detector and the ESS current detector and calculating the operation time of the respective component, and a display unit displaying the operation time of the respective component. Since the hybrid construction machine calculates the operation time of the respective component and displays the same to an operator.
17 Citations
15 Claims
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1. A hybrid construction machine comprising,
an engine, a generator connected to the engine, a converter connected to the generator, and an ESS connected to the converter, a converter current detector that is positioned either between the converter and the generator or between the converter and the ESS, and detects a current flowing between the converter and the generator; -
an ESS current detector that is positioned between the converter and the ESS, and detects the current flowing between the converter and the ESS; and a processing unit that receives the currents detected by the converter current detector as well as the ESS current detector, and calculates an operation time of the respective component. - View Dependent Claims (2, 3, 4, 11, 12)
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5. A hybrid construction machine comprising:
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an engine, a generator connected to the engine, a converter connected to the generator, a ESS connected to the converter, an electric motor connected to an inverter; an inverter current detector that is positioned between the inverter and the electric motor, and detects a current flowing between the inverter and the electric motor; and a processing unit that receives the current detected by the inverter current detector, and calculates the operation time of the respective component. - View Dependent Claims (6, 7, 13)
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8. A hybrid construction machine comprising:
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an engine, a generator connected to the engine, a converter connected to the generator, an ESS connected to the converter, at least one of inverters connected to the ESS; at least one of electric motors connected respectively to the inverter; at least one of the hydraulic pumps connected respectively to the electric motor; at least one of the cylinders connected respectively to the hydraulic pump; at least one of the inverter current detectors that are positioned between the at least one of the inverters and the at least one of the electric motors, respectively, and detect a current flowing between the respective inverter and the respective electric motor; and
a processing unit that receives the current detected from the inverter current detector and calculates an operation time of the respective component. - View Dependent Claims (9, 10, 14)
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15. (canceled)
Specification