MONITORING APPARATUS AND MONITORING METHOD

• US 20160187021A1
• Filed: 12/22/2015
• Published: 06/30/2016
• Est. Priority Date: 12/26/2014
• Status: Active Grant

• Current Assignee: Azbil Corporation (Azbil BioVigilant Incorporated)
• Original Assignee: Azbil Corporation (Azbil BioVigilant Incorporated)
• Inventors: HARAYAMA, Kazuya, MIURA, Mayumi, TANAKA, Masato
• Granted Patent: US 9,995,498 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: F24F 11/30 for purposes related to the operation of the system, e.g. for safety or monitoring
• CPC Class Codes: F24F 11/46 Improving electric energy efficiency or saving
• CPC Class Codes: F24F 11/52 Indication arrangements, e.g. displays
• CPC Class Codes: F24F 11/523 for displaying temperature data
• CPC Class Codes: F24F 11/61 using timers
• CPC Class Codes: F24F 11/62 characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
• CPC Class Codes: F24F 11/63 Electronic processing
• CPC Class Codes: F24F 11/77 by controlling the speed of ventilators
• CPC Class Codes: F24F 11/83 by controlling the supply of heat-exchange fluids to heat-exchangers
• CPC Class Codes: F24F 11/84 using valves
• CPC Class Codes: F24F 2110/10 Temperature
• CPC Class Codes: F24F 2140/60 Energy consumption

Abstract

A monitoring apparatus includes an information obtaining unit that obtains, from a target VAV air conditioning system to be monitored, a room temperature and a variable air volume; a room temperature display processing unit that displays, in a form of a graph, the room temperature obtained from the target VAV air conditioning system to be monitored; a controllable range calculating unit that calculates a length of a bar of a bar graph indicating a controllable range on the basis of the variable air volume; and a controllable range display processing unit that displays the bar graph including the bar having the length calculated by the controllable range calculating unit such that the bar graph is overlapped with the room temperature.

Claims

1. A monitoring apparatus for monitoring a system state of a room-temperature-fluctuation air conditioning system that performs air conditioning by controlling a heating medium flow rate and a heating medium temperature and that changes a room temperature set value in accordance with a predetermined schedule or a room-temperature-fluctuation heating medium transport system that controls a heating medium flow rate and a heating medium temperature and that changes a room temperature set value in accordance with a predetermined schedule, the monitoring apparatus comprising:

an information obtaining unit that obtains, from a target system to be monitored, a room temperature and a heating medium flow rate or an operation amount for controlling the heating medium flow rate;

a room temperature display processing unit that displays, in a form of a graph, the room temperature obtained from the target system to be monitored;

a controllable range calculating unit that calculates a length of a bar of a bar graph indicating a controllable range of the heating medium flow rate or a controllable range of the operation amount; and

a controllable range display processing unit that displays the bar graph including the bar having the length calculated by the controllable range calculating unit such that the bar graph is overlapped with the room temperature.

2. The monitoring apparatus according to claim 1, wherein

the information obtaining unit further obtains predetermined schedule information about a room temperature set value from the target system to be monitored, and

the room temperature display processing unit displays, on the basis of the schedule information, estimated fluctuation of the room temperature set value for a coming certain time period.

3. The monitoring apparatus according to claim 1, wherein the controllable range calculating unit calculates the length of the bar of the bar graph on the basis of the heating medium flow rate or the operation amount obtained by the information obtaining unit, by using a conversion rate at which the heating medium flow rate or the operation amount is to be converted to a room temperature.

4. The monitoring apparatus according to claim 3, wherein

the information obtaining unit further obtains a heating medium temperature from the target system to be monitored, and

the controllable range calculating unit calculates the length of the bar of the bar graph on the basis of the heating medium flow rate or the operation amount obtained by the information obtaining unit, by using the conversion rate corresponding to the heating medium temperature obtained by the information obtaining unit.

5. The monitoring apparatus according to claim 1, further comprising:

a conversion rate calculating unit that calculates, in advance, a conversion rate on the basis of a room temperature and a heating medium flow rate or an operation amount that have previously been obtained.

6. The monitoring apparatus according to claim 1, wherein

the target system to be monitored is a variable air volume air conditioning system, and

the heating medium flow rate is a variable air volume and the heating medium temperature is a supply air temperature.

7. A monitoring method for monitoring a system state of a room-temperature-fluctuation air conditioning system that performs air conditioning by controlling a heating medium flow rate and a heating medium temperature and that changes a room temperature set value in accordance with a predetermined schedule or a room-temperature-fluctuation heating medium transport system that controls a heating medium flow rate and a heating medium temperature and that changes a room temperature set value in accordance with a predetermined schedule, the monitoring method comprising:

an information obtaining step of obtaining, from a target system to be monitored, a room temperature and a heating medium flow rate or an operation amount for controlling the heating medium flow rate;

a room temperature display processing step of displaying, in a form of a graph, the room temperature obtained from the target system to be monitored;

a controllable range calculating step of calculating a length of a bar of a bar graph indicating a controllable range of the heating medium flow rate or a controllable range of the operation amount; and

a controllable range display processing step of displaying the bar graph including the bar having the length calculated in the controllable range calculating step such that the bar graph is overlapped with the room temperature.

8. The monitoring method according to claim 7, wherein

the information obtaining step includes a step of further obtaining predetermined schedule information about a room temperature set value from the target system to be monitored, and

the room temperature display processing step includes a step of displaying, on the basis of the schedule information, estimated fluctuation of the room temperature set value for a coming certain time period.

9. The monitoring method according to claim 7, wherein the controllable range calculating step includes a step of calculating the length of the bar of the bar graph on the basis of the heating medium flow rate or the operation amount obtained in the information obtaining step, by using a conversion rate at which the heating medium flow rate or the operation amount is to be converted to a room temperature.

10. The monitoring method according to claim 9, wherein

the information obtaining step includes a step of further obtaining a heating medium temperature from the target system to be monitored, and

the controllable range calculating step includes a step of calculating the length of the bar of the bar graph on the basis of the heating medium flow rate or the operation amount obtained in the information obtaining step, by using the conversion rate corresponding to the heating medium temperature obtained in the information obtaining step.

11. The monitoring method according to claim 7, further comprising:

a conversion rate calculating step of calculating, in advance, a conversion rate on the basis of a room temperature and a heating medium flow rate or an operation amount that have previously been obtained.

12. The monitoring method according to claim 7, wherein

the target system to be monitored is a variable air volume air conditioning system, and

the heating medium flow rate is a variable air volume and the heating medium temperature is a supply air temperature.