Air conditioning equipment operation system and air conditioning ...

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US006591620B2

(12) United States Patent

(10) Patent N0.:

Kikuchi et al.

(54)

(45) Date of Patent:

AIR CONDITIONING EQUIPMENT

2002/0022991 A1

OPERATION SYSTEM AND AIR CONDITIONING EQUIPMENT DESIGNING

2002/0072868 A1 2002/0080937 A1

SUPPORT SYSTEM

2002/0097150 2002/0103655 2002/0124992 2002/0128987

(75) Inventors: Hiroshige Kikuchi, Chiyoda (JP); Tadakatsu Nakajima, Chiyoda (JP); Keiji Sasao, Tsuchiura (JP)

A1 A1 A1 A1

Jul. 15, 2003

2/2002 Sharood et a1. ............. .. 705/14

*

6/2002 Bartone et a1. ............. .. 702/62 6/2002 Kawamura ........... .. 379/102.03 7/2002 8/2002 9/2002 9/2002

Sandelman et a1. ....... .. 340/506 Boies et a1. ...... .. Rainer et a1. ............ .. 165/11.1 Namba ..................... .. 705/412

FOREIGN PATENT DOCUMENTS

(73) Assignee: Hitachi, Ltd., Tokyo (JP)

JP JP

A-7-139761 A-8-86533

(*)

JP

9-026804

Notice:

US 6,591,620 B2

Subject to any disclaimer, the term of this patent is extended or adjusted under 35

U.S.C. 154(b) by 0 days.

* *

5/1995 4/1996

1/1997

* cited by examiner

Primary Examiner—William C. Doerrler

(21) Appl. No.: 10/066,667 (22) Filed: (65)

(74) Attorney, Agent, or Firm—Antonelli, Terry, Stout & Kraus, LLP

Feb. 6, 2002 Prior Publication Data

(57)

A control server includes a device information database

US 2003/0070438 A1 Apr. 17, 2003

(30)

ABSTRACT

storing device characteristic data constituting the air condi tioning equipment, a fuel/power rate database storing price

Foreign Application Priority Data (JP) ..................................... .. 2001-317570

and rate data regarding gas, oil, poWer and the like, a device

(51)

Int. Cl.7 ....................... .. F25B 49/00; G05D 23/00;

characteristic and price database, an air conditioning equip ment simulator for calculating running costs by using the

(52)

US. Cl. ........................... .. 62/126; 62/132; 236/51;

(58)

Field of Search ................... .. 62/126, 132; 236/51,

agement controller for managing and controlling the air

236/47; 705/8; 700/276

conditioning equipment provided With the communication portion for performing communications through the

Oct. 16, 2001

G05D 13/00; G01M 1/38

700/276

(56)

References Cited *

5,598,349 A * 5,924,486 A * 6,160,993 A

2/1982 Kamejima et a1. ........... .. 62/98

controlling the air conditioning equipment through the

1/1997 Elliason et a1. 7/1999 Ehlers et a1.

netWork, and the air conditioning equipment is controlled and operated according to the operation plan.

700/295 165/238

* 12/2000 Wilson ....... ..

6,216,956 B1 * 2002/0013723 A1 *

network. The control server, and an air conditioning man

netWork, are connected to the netWork. An operation plan is made by the control server, the operation plan is transmitted to the air conditioning equipment management controller for

U.S. PATENT DOCUMENTS 4,314,454 A

data stored in the fuel/power rate database, and communi cation portion for performing communications through a

4/2001 Ehlers et a1. .. 1/2002

455/121

236/47

8 Claims, 19 Drawing Sheets

Mise ........................... .. 705/8

START

SEI TIME TO PLAN START TIME READ PREDICTED VALUES OF TEMPERATURE AND HUMIDITY OF OUTSIDE AIR CALCULATE PREDICT ED VALUE OF COOLING LOAD

CALCLATE RUNNING COSTS BY AIR CHANGE OPERATION MEI'HOD

CONDITIONING EQUIPMENT SIMULATOR

804 ~

ARE ALL OPERATION METHODS CALCULATED? VES ADVANCE TIME

OUTPUT OPERATION METHOD OF LOWEST RUNNING COSTS PLAN END TIME?

VES CONSIDER nuuume COSTS DURING DEVICE START/STOP

END

~810

U.S. Patent

US 6,591,620 B2

Sheet 1 0f 19

Jul. 15,2003

FIG.1 SERVICE PROVIDER COMPANY 210 I

CONTROL SERVER

SYSTEM CONFIGURATION DATABASE

FUEUPOWER RATE DATABS E

RUNNING RECORD DATABASE

DEVICE INFORMATION DATABASE

OPERATION CONTR OL MEANS

41 AIR CONDITIONING EQUIPMENT SIMULATOR

OPERATION METHOD OPTIMIZING MEANS

52

I

WEATHER IN FO RMATION DATABASE

RECORDING MEANS

f

DEVICE

43

CHARACTERISTIC CORRECTION MEANS

44

EQUIPMENT DESIGNING

I45

SUPPORT MEANS 54

~53 CALCULATION MEANS

COMMUNICATION MEANS

I

IN PUT/ OUTPUT MEANS

~51

1O WEATH ER

SERVER FORECAST COMPANY

1 /

COTRACT CONTRACT COMPANY

SERVER

1b AIR CONDITIONING

EQUIPMENT MANAGEMENT CONTROLLER

30

I 38 AIR /

CONDITIONING EQUIPMENT

SITE

--1 1

U.S. Patent

Jul. 15,2003

Sheet 2 0f 19

US 6,591,620 B2

30

I 67

68

OPERATION PLAN DATA

69

WEATHER FORECAST DATA

RUNNING RECORD DATA

AIR CONDITIONING EQUIPMENT ~66 MANAGEMENT CONTROL MEANS

/ 62

STORAGE MEANS

CALCULATION f MEANS

l N

MEAN/‘SWEAT O

Q'IE‘U‘I’IPIZ‘DI'ITT'W'NG E COMMUNICATION

65 ,

I

63

61

\

INPUT/

MEANS

MEANS

64

OUTPUT

I

10