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(12) United States Patent (10) Patent No.: US 6,453,687 B2 Shar00d Et Al

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(12) United States Patent (10) Patent No.: US 6,453,687 B2 Shar00d Et Al USOO6453687B2 (12) United States Patent (10) Patent No.: US 6,453,687 B2 Shar00d et al. (45) Date of Patent: Sep. 24, 2002 (54) REFRIGERATION MONITOR UNIT 4,612,775 A 9/1986 Branz et al. .................. 62/126 4,630,449 A 12/1986 Adams ........................ 62/130 (75) Inventors: John N. Sharood, Richmond; D. 4,843,833 A 7/1989 Polkinghorne ............... 62/18O Mitchell Carr, Potomac Falls, both of 5,207,071 A * 5/1993 Ozu et al.................. 62/230 X VA (US) 5,421,247 A 6/1995 Shim ........................... 99/468 5,460.006 A * 10/1995 Torimitsu ................. 62/130 X (73) Assignee: Robertshaw Controls Company, Richmond, VA (US) FOREIGN PATENT DOCUMENTS (*) Notice: Subject to any disclaimer, the term of this DE 3923509 A1 1/1991 patent is extended or adjusted under 35 DE 19654 837 A1 6/1998 U.S.C 154(b) by 0 days EP O369382 A2 11/1989 a -- EP O 814 393 A1 12/1997 WO WO 96O7289 A1 3/1996 (21) Appl. No.: 09/755,194 WO WO 01/15300 A1 3/2001 (22)22) FileFilled: Jan.... 8, 2001 * cited by examiner Related U.S. Application Data (60) Provisional application No. 60/174,829, filed on Jan. 7, 2000, provisional application No. 60/176,005, filed on Jan. Primary Examiner Harry B. Tanner 14, 2000, and provisional application No. 60/180,281, filed (74) Attorney, Agent, or Firm-Fish & Richardson P.C. on Feb. 4, 2000. (57) ABSTRACT (51) Int. Cl. ................................................. F25B 49/02 (52) U.S. Cl. ............................................ 62/127; 62/130 A unit is attached to a refrigeration appliance, Such as a (58) Field of Search .......................... 62/125, 126, 127, freezer, or refrigerator, to alert the user of a Sensed condition 62/129, 130, 230, 175; 340/585; 236/51, within the appliance that food spoilage may occur. The unit 94; 165/11.1 can monitor temperature within the compartment and deter mine how long until food spoilage occurs. The unit also can (56) References Cited alert a user, monitoring Service, or call a repairperSon. The unit may be retrofit into existing appliances. U.S. PATENT DOCUMENTS 4,555,057 A 11/1985 Foster ...................... 62/127 X 30 Claims, 32 Drawing Sheets SENSOR APPLIANCE CONTROLLER U.S. Patent Sep. 24, 2002 Sheet 1 of 32 US 6,453,687 B2 00I çOI`I+06I06I||– - - - - m - T - - - - - - - Y É N £#7 ) ---+----[4-r--r--+----- U.S. Patent Sep. 24, 2002 Sheet 2 of 32 US 6,453,687 B2 230 ? BATTERY 1. IOO 22O 2 IO RF EEPROM TRANSCEIVER 222 2O7 212 RAM 1 OBASET PORT 224 2O6 214 TELCO DAA 2O5 216 --> RS-232 218 RS-485 RS-485 S-BUS - is is INTERFACE 219 PORT - or " I/O PORT 24O 25O 26O VGA PLC EmWare CONTROLLER CONTROLLER Adapter 242 2 261 PC CASTER EmWare PORT Appliance FIG. 2 U.S. Patent Sep. 24, 2002 Sheet 3 of 32 US 6,453,687 B2 PCMCIA EIA-232 Diagnostics EIA-485 Serial interface FG. 3 U.S. Patent Sep. 24, 2002 Sheet 4 of 32 US 6,453,687 B2 16 ANALOG/DIGITAL SWITCHES 4 PROCESSOR I IO MEMORY 44O FIG. 4 U.S. Patent Sep. 24, 2002 Sheet 5 of 32 US 6,453,687 B2 FIG. S U.S. Patent Sep. 24, 2002 Sheet 6 of 32 US 6,453,687 B2 Line Driver/ Coupler U.S. Patent Sep. 24, 2002 Sheet 7 of 32 US 6,453,687 B2 1. 6OO H Measure & PLC Transmit Transceiver- FIG. 6c U.S. Patent Sep. 24, 2002 Sheet 8 of 32 US 6,453,687 B2 Serial interface RF Transceiver H Measure & Transmit F.G. 6d U.S. Patent Sep. 24, 2002 Sheet 9 of 32 US 6,453,687 B2 703 701 I54 711 U.S. Patent Sep. 24, 2002 Sheet 10 Of 32 US 6,453,687 B2 751 15O 755 3. Overhead (%) OF O (39.Overhead 2%) - ) (3) Uplight 1 (%) + ) S) Side able 3 7.58 FG. 7c U.S. Patent Sep. 24, 2002 Sheet 11 of 32 US 6,453,687 B2 190 I2O PC option - IO5 Ethernet LAN NSW2se POTS or I ISDN IOO 3 SY RFPLC LAN LAN 4 - OO O RS-485 LAN 6 ControlServer 182 180-N || AvCast option 82O 83O 81O media Caster Cable Caster Web Caster 182 182 190 2 - ill, FIG. 8 U.S. Patent Sep. 24, 2002 Sheet 12 of 32 US 6,453,687 B2 900 900 900 DAMPER DAMPER DAMPER 155 915-S S S O E ZONE R N CONTROLLER S > I57 O 9IO 133 R THEMOSTAT IOO CONTROL SERVER WorkStation U.S. Patent Sep. 24, 2002 Sheet 13 of 32 US 6,453,687 B2 -]}} HEAIEOSNWHL 000[ 006_/ HOSNES 090I HELS|9EH 0I’0IH U.S. Patent Sep. 24, 2002 Sheet 14 of 32 US 6,453,687 B2 RF TRANSCEIVER MEMORY PROCESSOR F.G. 11 U.S. Patent Sep. 24, 2002 Sheet 15 0f 32 US 6,453,687 B2 Features Stay Mode Away Mode Field Bedtime Mode Energy Decision Device Sleep Mode Savings Vacation Mode Priorit E. Appliance Wake-up Software interface Shims F.G. 12 U.S. Patent Sep. 24, 2002 Sheet 16 of 32 US 6,453,687 B2 invensys Networks Home Manager - Microsoft internet Explorer Ex Datei Bearbeiten Ansicht Favoriten Estian 2. ( , ) - (3) 6 O | A 6 s. Zurick Wowards Abbrechen Akuaiseiten Statsaite Suchein Favoriter Warlauf E-mail Drucken Beerbeiten Adressee C:\HomeManager\default.htm as Wechsetizu Linkse Chan invenSVS ; Home Managerim Network S YS C Concept Demonstration Suid's HVAC Back to Horne Control Back Horne Temperature 80.0 60.0 84°F 400 Humidity 200 46% 0.01.0 2.0 3.04.050 60 Xunits: Hours Yunits: Temperature (F) and Humidity (%) Outside Temperature. Outside Humidity Arbetsplatz Sastart invensys Networkill W. Microsoft Word-home LapLinkTechnical Balley F- OGS 11:49 F.G. 13 U.S. Patent Sep. 24, 2002 Sheet 17 of 32 US 6,453,687 B2 invensys Networks Home Manager - Microsoft internet Explorer - Datel Bearbeiten Ansicht Favoriten Estian 2. g ) - (3) é o O as a G Zurick Vowards Abbrechen Akuaiseiten Statsaite Suchein Favoriten Warlauf E-mail Drucken Beerbeiten Adressee C:\HomeManager default.htm as Wechsetizu Linkse) Chan Home Manager invensys iCl Concept Demonstration Network Sustems Suid's HVAC Back to Horne Control Back Home cRA Recipe Reconnender 2noweV. Rateand recipes Make mealtime easy Just for You Cookbook Holiday Cy Recipes for the meals you want We make it easy so you can make it and the ingredients you like, Store a holiday. Come join us for great your favorites in Your Recipe Christmas, Hanukkah, and Kwanzaa Box recipes and fantasticholiday ideas for the whole amily. Make it Now c December in the kitchen Make a meat with what's On Happy Holidays it's that happy, hand. We'll suggest some recipes hectic, holiday time of the year using ingredients you have. again and we would like to help. This Month in the Kitchen D sistartIO LapLink Technical Bailey invensys Networkii OS 1054 F.G. 14 U.S. Patent Sep. 24, 2002 Sheet 18 of 32 US 6,453,687 B2 190 PC option Ethernet LAN Chill meter heat meter Water meter electricity coupler meter F.G. 15 U.S. Patent Sep. 24, 2002 Sheet 19 of 32 US 6,453,687 B2 Web-Based Solutions for Small Commercial Buildings - Microsoft Internet Explorer d File Edit View Favorites Tools Help ( . ) , (x) a 6 CD O a 6- W - El O Back Forward Stop Refresh Home Search Favorites History Mai Print Edit Discuss Dell Home Addresse) httplww.unitySolutions.com/ as Go { Unity Unity Solutions Web-Based Solutions for Small Commercial Buildings. Weather Monitor Aerts I User Management Unity Systems 5 N 1. A National Chain Store User Guest 2:30 ACCOUnt: Customer. David's Home v OO - AC7 Discharge Air - Offices - Outdoor This graph displays data from one 24-hour period "Temperatures. Office, retail, supply air, outside air "Run Times-The bar chart displays cumulative run time of a 2 stage system. w Done OInternet FIG. 16 U.S. Patent Sep. 24, 2002 Sheet 20 of 32 US 6,453,687 B2 eEnergy Datavision Version 5.03 - Microsoft internet Explorer File Edit View Favorites tools Help Ke sev () a fi Go O G. s. Address httplww.energydatavision confedv57 as Go Al graph studio D Start22/2/2000 End 22.2/2000kWh Day IC) CD BX637A-kWh - 15/02/2000 to 151 Min:310 Max:82.0Awe:53.5 Total:17993.0 BX637A- kWh. 1612.2000 to 16.2 BX637A- kWh - 1712.2000 to 1712 EX637A-kWh - 1812.2000 to 1872 BX637A-kWh - 1972/2000 to 1912 BX637A-kWh - 2012/2000 to 2012 BX637A - kWh-2112/2000 to 2112 Profile D Minimum O Maximum a Average a 1 2 3 4 O 5 6 7 O 8 D9 D10 CD C) 00:00 02:00 04:00 06:00 08:00 10:00 12:00 14:00 16:00 18:00 20:00 22:00 GMT in Hours Ozoon) Oprint) a Tarif's v IO Internet a F.G. 17 U.S. Patent Sep. 24, 2002 Sheet 21 of 32 US 6,453,687 B2 I90 PC option I2O I, Ethernet LAN Lighting LAN Heating LAN 18OO Central Locking LAN 18IO 1840 Coupler t f Sun Sen SOrS, Key door bolts window and motion fob door SensOrS detectors F.G. 18 U.S. Patent Sep. 24, 2002 Sheet 22 of 32 US 6,453,687 B2 PC option 190 I2O (L) Ethernet LAN Lighting LAN Heating LAN 19OI ControlServer Smoke motion detectors detectors security System FIG.
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