Application US20190393724

ENERGY MANAGEMENT DEVICE AND OPERATION METHOD THEREFOR
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US20190393724

1. An energy management device comprising: (6) (3)

a communication unit configured to receive energy information of a system to which the energy management device belongs;

a display unit configured to display at least one energy information icon based on the received energy information; and

a controller configured to display at least one second energy information icon corresponding to a low level of a first energy information icon when a command for selecting an expansion icon included in the first energy information icon is received and to connect the first energy information icon with the second energy information icon through an energy node, wherein a thickness of the energy node is displayed differently according to the amount of energy corresponding to the second energy information icon.

2. The energy management device according to claim 1, wherein the controller increases the thickness of the energy node in proportion to the amount of energy corresponding to the second energy information icon. (0)

3. The energy management device according to claim 1, wherein the controller displays the first and second energy information icons having different sizes according to the amount of energy. (1) (0)

5. The energy management device according to claim 1, wherein the controller displays a problem occurrence list indicating an energy related problem occurring in the system to which the energy management device belongs. (1) (0)

6. The energy management device according to claim 5, wherein the controller: (1) (2)

when a command for selecting any one item from the problem occurrence list is received, acquires a problem occurrence position corresponding to the selected item, and

displays an energy information icon of a highest level, an energy information icon corresponding to the acquired problem occurrence position and at least one energy information icon included between the highest level and the problem occurrence position.

7. The energy management device according to claim 6, wherein the controller further displays an energy information icon of the same level as the displayed at least one energy information icon. (2) (0)

10. The energy management device according to claim 1, wherein, when a command for selecting any one of the displayed at least one energy information icon is received, the controller displays change in energy data at an energy position corresponding to the selected energy information icon on a timeline with time. (2) (0)

13. The energy management device according to claim 1, wherein the energy information icon includes an energy position item indicating a device or energy source in or to which energy is consumed or supplied and an energy amount item indicating the amount of consumed or supplied energy. (2) (0)

17. The energy management device according to claim 1, wherein the communication unit receives energy information from an energy metering device included in the system. (0)

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Application US20190393724

ENERGY MANAGEMENT DEVICE AND OPERATION METHOD THEREFOR

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