Automatic boiler room equipmentmonitoring system
A system for monitoring, processing and storing operating parameters of aboiler room. A sonar gauge for measuring the leve...
CitationsCited       Filing Date    Issued Date    Original           TitlePatents                                   Assig...
Cited       Filing Date    Issue Date     Original Assignee    TitlePatentUS4601201   Mar 7, 1985    Jul 22, 1986   Tokyo ...
Referenced  byCiting      Filing Date     Issue Date     Original Assignee           TitlePatentUS5279263    Feb 5, 1993  ...
Citing    Filing Date    Issue Date     Original Assignee        TitlePatentUS70167   Nov 27,        Mar 21, 2006   BaHell...
Claims automatically monitoring, processing, and storing operating parameters of 1. A system for  a boiler room comprising...
4. A system as in claim 3 wherein the computer means comprises an interface meanscomprising:(a) a resistor means for conve...
9. A system as in claim 1 wherein the means for monitoring the operating status of theplurality of conventional boiler roo...
(d) means for transmitting the processed signals stored in the computer means from the computer     means located in the b...
18. A system for automatically monitoring, processing, and storing operating parametersof a boiler from comprising:(a) mea...
19. A system as in claim 18 wherein the computer means comprises an interface meanscomprising electrical relay means where...
22. A system as in claim 21 further comprising:(a) a resistor means for converting the electrical current into an analog v...
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Automatic boiler room equipment monitoring system

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Automatic boiler room equipment monitoring system

  1. 1. Automatic boiler room equipmentmonitoring system
  2. 2. A system for monitoring, processing and storing operating parameters of aboiler room. A sonar gauge for measuring the level of liquid fuel in a storagetank, thermocouples to measure temperatures at varous points in the boilerroom, and means to monitor the operating status of boiler room equipmentare provided. Means to convert to digital data, store and analyze the digitaldata, and transmit the digital data to a remote location are provided.Inventor: Jeffrey SolomonPrimary Examiner: S. A. MelnickCurrent U.S. Classification: 702/54; 122/448.1; 237/8.00AInternational Classification: G06F 1574View patent at USPTOSearch USPTO Assignment Database
  3. 3. CitationsCited Filing Date Issued Date Original TitlePatents AssigneeUS3873817 May 4, 1972 Mar 2, 1975 LPT(I)SIHUS4275382 Jul 18, 1979 Jun 23, 1981 Apparatus for monitoring and controlling vessels containing liquidUS4373662 Oct 17, 1980 Feb 15, 1983 Honeywell Inc. Integrated control system using a microprocessorUS4403296 Dec 18, 1980 Sep 6, 1983 Electromedics, Measuring and determination Inc. device for calculating an output determination based on a mathematical relationship between multiple different input responsive transducersUS4433646 Sep 16, 1982 Feb 28, 1984 The Babcock & Boiler water trip system Wilcox CompanyUS4486625 Sep 29, 1982 Dec 4, 1984 Clear Meadow Computerized measurement Research Co. response systemUS4487065 Mar 7, 1983 Dec 11, 1984 Cypher Systems Storage tank level monitoring apparatus and method thereforUS4577270 Oct 5, 1984 Mar 18, 1986 Hitachi, Ltd. Plant control method Hitachi Engineering Co.,
  4. 4. Cited Filing Date Issue Date Original Assignee TitlePatentUS4601201 Mar 7, 1985 Jul 22, 1986 Tokyo Tatsuno Co., Liquid level and quantity Ltd. measuring apparatusUS4602344 Oct 25, 1984 Jul 22, 1986 Air Products and Method and system for Chemicals, Inc. measurement of liquid level in a tankUS4700569 Nov 2, 1984 Oct 20, 1987 Endress u. Hauser Method and arrangement for GmbH u. Co signal transmission in ultrasonic echo sounding systemsUS4716536 Apr 16, 1985 Dec 29, 1987 The Foxboro Measurement calibration CompanyUS4782698 Dec 29, Nov 8, 1988 General Motors Method and apparatus for 1986 Corporation measuring oil levelUS4788648 May 27, Nov 29, 1988 Air Products and Method and system for 1986 Chemicals, Inc. measurement of a liquid level in a tankUS4864972 Jun 8, 1987 Sep 12, 1989 Boiler optimization for multiple boiler heating plantsUS4922861 Jan 25, 1989 May 8, 1990 Toto Ltd. Multiple-purpose instantaneous gas water heaterUS4966127 Jan 19, 1988 Oct 30, 1990 Method and apparatus for saving energy in direct fired boilers
  5. 5. Referenced byCiting Filing Date Issue Date Original Assignee TitlePatentUS5279263 Feb 5, 1993 Jan 18, 1994 Elsag International B.V. Cascaded steam temperature control applied to a universal pressure boilerUS5419285 Apr 25, 1994 May 30, 1995 Henry Vogt Machine Co. Boiler economizer and control systemUS5793705 Sep 18, Aug 11, 1998 International Business Ultrasonic liquid level 1996 Machines Corporation gauge for tanks subject to movement and vibrationUS6059195 Jan 23, 1998 May 9, 2000 Tridelta Industries, Inc. Integrated appliance control systemUS6129284 Sep 17, Oct 10, 2000 Tridelta Industries, Inc. Integrated appliance 1999 control systemUS6536678 Dec 15, Mar 25, 2003 Honeywell International Boiler control system 2000 Inc. and methodUS6647302 Dec 15, Nov 11, 2003 Honeywell International Human interface panel 2000 Inc. for boiler control systemUS6745085 Dec 15, Jun 1, 2004 Honeywell International Fault-tolerant multi- 2000 Inc. node stage sequencer and method for energy systems
  6. 6. Citing Filing Date Issue Date Original Assignee TitlePatentUS70167 Nov 27, Mar 21, 2006 BaHelle Memorial Decision support for42 2002 Institute operations and maintenance (DSOM) systemUS71968 Jul 27, 2004 Mar 27, 2007 Macronix International Control circuit for91 Co., Ltd. frequency converterUS78915 Apr 5, 2007 Feb 22, 2011 C. Cowles & Company Temperature and low72 water monitoring for boiler systemsUS80086 Aug 31, Aug 30, 2011 Boiler protection03 2007 apparatus and methodUS80090 Sep 26, Aug 30, 2011 Lockheed Martin Remote monitoring of60 2001 Corporation munition assetsUS80687 Jan 29, 2008 Nov 29, 2011 AOS Holding Company Storage-type water27 heater having tank condition monitoring featuresUS81622 Mar 21, Apr 24, 2012 AOS Holding Company Water storage device32 2008 having a powered anode
  7. 7. Claims automatically monitoring, processing, and storing operating parameters of 1. A system for a boiler room comprising: (a) means for detecting a level of liquid fuel in a storage tank and generating a fist set of electrical signals indicating the level; (b) means for measuring temperatures at various locations in the boiler room and generating a second set of electrical signals indicative of the temperatures; (c) means for monitoring the operating status of a plurality of conventional boiler room equipment and generating a third set of electrical signals indicative of the monitored operating status; (d) computer means located in the boiler room for selecting from the first, second and third set of electrical signals generated and internally processing and storing the selected electrical signals in accordance with a set of internally programmed instructions; and (e) means for transmitting the processed signals stored in the computer means from the computer means located in the boiler room to a computer located in a remote location. 2. A system as in claim 1 wherein the means for detecting the level of liquid in the storage tank comprises a sonar device mounted in the storage tank comprising: (a) means for transmitting an ultrasonic signal in a direction generally perpendicular to the surface of the liquid fuel in the storage tank; (b) means for detecting an echo of the transmitted ultrasonic signal from the surface level of the liquid fuel in the storage tank; (c) means for electrically measuring a time differential between transmission of the ultrasonic signal and the detection of the echo of the ultrasonic signal; and (d) means for generating the first electrical signal indicative of the level of the liquid fuel in the storage tank in accordance with the measured time differential. 3. A system as in claim 2 wherein the first electrical signal consists of electrical current the value of which is indicative of the level of the liquid fuel in the storage tank.
  8. 8. 4. A system as in claim 3 wherein the computer means comprises an interface meanscomprising:(a) a resistor means for converting the electrical current into an analog voltage, the valueof which is indicative of the level of the liquid fuel in the storage tank; and(b) analog to digital conversion means for converting the analog voltage into a digitalsignal which can be processed by the computer means.5. A system as in claim 1 wherein the means for measuring the temperatures at variouslocations in the boiler room comprises thermocouple devices located at the point at whichthe temperature is measured, which generate the second set of electrical signalsindicative of the measured temperatures.6. A system as in claim 5 wherein the thermocouple devices are comprised of:(a) a first thermocouple at the liquid fuel drawn from the storage tank;(b) a second thermocouple at the water resident in a boiler room;(c) a third thermocouple at the water drawn from the boiler for use as domestic hotwater; and(d) a fourth thermocouple at the gases expelled from the boiler through a stack.7. A system as in claim 6 wherein the second set of electrical signals is comprised ofanalog voltage signals.8. A system as in claim 7 wherein the computer means comprises an interface meanscomprising analog to digital conversion means for converting the analog voltage signalsinto a set of digital signals which can be processed by the computer means.
  9. 9. 9. A system as in claim 1 wherein the means for monitoring the operating status of theplurality of conventional boiler room equipment is through wires from electrical circuits ofthe equipment such that the wires are energized when the equipment is operating in onepredetermined mode and de-energized when the equipment is operating in anotherpredetermined mode.10. A system as in claim 9 wherein the conventional boiler room equipment comprises:(a) a fuel valve which controls the flow of the liquid fuel from a fuel pump to a burner;(b) the burner which is connected to a boiler and which draws the liquid fuel from the fuel valve for ignition therein;(c) a pressure controller which monitors pressure of steam generated in the boiler;(d) a low water cutoff valve which monitors the level of water in the boiler; and(e) a smoke alarm which monitors the quality of the gases expelled by the boiler.11. A system as in claim 10 wherein the computer means comprises an interface mans comprisingelectrical relay means, said relay means generates a set of digital signals when the wires connected tothe conventional boiler room equipment to the relay means are energized.12. A system as in claim 1 wherein the means for transmitting the processed signals is a modem.13. A system for automatically monitoring, processing, and storing operating parameters of a boilerroom comprising:(a) means for measuring temperatures at various locations in the boiler room wherein the means for measuring the temperatures comprises thermocouple wells located at the point at which the temperature is measured and generating a first set of electrical signals indicative of the temperatures;(b) means for monitoring operating status of a plurality of conventional boiler room equipment and generating a second set of electrical signals indicative of the monitored operating status;(c) computer means located in the boiler room for selecting electrical signals from the sets of electrical signals and internally processing and storing the selected electrical signals in accordance with a set of internally programmed instructions; and
  10. 10. (d) means for transmitting the processed signals stored in the computer means from the computer means located in the boiler room to a computer located in a remote location.14. A system as in claim 13 wherein the means for monitoring the operating statusofthe plurality of conventional boiler room equipment is through wires from electricalcircuits of the equipment such that the wires are energized when the equipment isoperating in one predetermined mode and de-energized when the equipment isoperating in another predetermined mode.15. A system as in claim 13 wherein the thermocouple devices are comprised of:(a) a first thermocouple at the liquid fuel drawn from the storage tank;(b) a secondthermocouple at the water resident in a boiler room;(c) a third thermocouple at thewater drawn from the boiler for use as domestic hot water; and(d) a fourththermocouple at the gases expelled from the boiler through a stack.16. A system as inclaim 15 wherein the first set of electrical signals is comprised of analog voltage signals.17. A system as in claim 16 wherein the computer means comprises an interface meanscomprising analog to digital conversion means for converting the analog voltage signalsinto a set of digital signals which can be processed by the computer means.18. A system for automatically monitoring, processing, and storing operatingparameters of a boiler from comprising:(a) means for measuring temperatures at various locations in the boiler room andgenerating a first set of electrical signals indicative of the temperatures;(b) means for monitoring operating status of a plurality of conventional boiler roomequipment and generating a second set of electrical signals indicative of the monitoredoperating status;
  11. 11. 18. A system for automatically monitoring, processing, and storing operating parametersof a boiler from comprising:(a) means for measuring temperatures at various locations in the boiler room andgenerating a first set of electrical signals indicative of the temperatures;(b) means for monitoring operating status of a plurality of conventional boiler roomequipment and generating a second set of electrical signals indicative of the monitoredoperating status;(c) computer means located in the boiler room for selecting from a plurality of electricalsignals and internally processing and storing the selected electrical signals in accordancewith a set of internally programmed instructions; and(d) means for transmitting the processed signals stored in the computer means from thecomputer means located in the boiler room to a computer located in a remote location;wherein the means for measuring the temperatures at various locations in the boilerroom comprises thermocouple devices located at the point at which the temperature ismeasured; wherein the means for monitoring the operating status of the plurality ofconventional boiler room equipment comprises the connection of wires to electricalcircuits of the equipment such that the wires are energized when the equipment isoperating in one predetermined mode and de-energized when the equipment is operatingin another predetermined mode, and the conventional boiler room equipment comprises:(1) a fuel valve which controls the flow of the liquid fuel from a fuel pump to a burner;(2) the burner which is connected to a boiler and which draws the liquid fuel from thefuel valve for ignition therein;(3) a pressure controller which monitors pressure of steam generated in the boiler;(4) a low water cutoff valve which monitors the level of water in the boiler; and(5) a smoke alarm which monitors the quality of the gases expelled by the boiler.
  12. 12. 19. A system as in claim 18 wherein the computer means comprises an interface meanscomprising electrical relay means wherein the relays generate a set of digital signals whenthe wires connected to the conventional boiler room equipment are energized.20. A system for detecting the level of liquid in a storage tank comprising:(a) means for transmitting an ultrasonic signal in a direction generally perpendicular tothe surface of the liquid the storage tank;(b) means for detecting an echo of the transmitted ultrasonic signal from the surface levelof the liquid in the storage tank;(c) means for electrically measuring a time differential between transmission of theultrasonic signal and the detection of the echo of the ultrasonic signal;(d) means for generating an electrical signal indicative of the level of the liquid fuel in thestorage tank in accordance with the measured time differential;(e) a chamber above the top of the storage tank in communication with the storage tank;and(f) means for mounting the transmitting means and detecting means in communicationwith the liquid in the storage tank at a predetermined distance above the top of thestorage tank within said chamber whereby the transmitting means and detecting meansdo not come into contact with the liquid in the storage tank at any time.21. A system as in claim 20 wherein the electrical signal consists of the electrical currentthe value of which is indicative of the level of the liquid in the storage tank.
  13. 13. 22. A system as in claim 21 further comprising:(a) a resistor means for converting the electrical current into an analog voltage, thevalue of which is indicative of the level of the liquid in the storage tank; and(b) analog to digital conversion means for converting the analog voltage into a digitalsignal.23. A system as in claim 22 further comprising a computer means for storing andprocessing the digital signal in accordance with a set of internally programmedinstructions.24. A system as in claim 23 further comprising means for transmitting the processedsignals stored in the computer means from the computer means to a second computerlocated in a remote location.25. A system as in claim 24 wherein the means for transmitting is a modem.26. A system as in claim 20 wherein the means for mounting the transmitting means anddetecting means comprises a mounting plate, means for fastening the mounting plate toa pre-cut manhole opening located on the top of the storage tank, which manholeopening comprises said chamber above the top of the storage tank and wherein thetransmitting and detecting means attaches to said mounting plate.27. A system as in claim 20 wherein the predetermined distance above the storage tankis approximately ten inches or less.
  14. 14. Drawings

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