CA2499120A1 - Monitoring performance of a warewasher - Google Patents

Monitoring performance of a warewasher Download PDF

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Publication number
CA2499120A1
CA2499120A1 CA002499120A CA2499120A CA2499120A1 CA 2499120 A1 CA2499120 A1 CA 2499120A1 CA 002499120 A CA002499120 A CA 002499120A CA 2499120 A CA2499120 A CA 2499120A CA 2499120 A1 CA2499120 A1 CA 2499120A1
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CA
Canada
Prior art keywords
unique
rack
assigned
warewasher
racks
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002499120A
Other languages
French (fr)
Other versions
CA2499120C (en
Inventor
Thomas J. Batcher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ecolab Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2499120A1 publication Critical patent/CA2499120A1/en
Application granted granted Critical
Publication of CA2499120C publication Critical patent/CA2499120C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/50—Racks ; Baskets
    • A47L15/501—Baskets, e.g. for conveyor-type, in-sink type or hood-type machines
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0063—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control using remote monitoring or controlling of the dishwasher operation, e.g. networking systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07758—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • G07C3/08—Registering or indicating the production of the machine either with or without registering working or idle time
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/24—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors
    • A47L15/247—Details specific to conveyor-type machines, e.g. curtains
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/30—Variation of electrical, magnetical or optical quantities
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/34—Other automatic detections
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/26—Indication or alarm to the controlling device or to the user

Abstract

A method and system for collecting information associated with warewashing activities is disclosed. Articles to be cleaned by a warewasher (100) are placed in racks designed to fit inside a wash chamber (108) of the warewashe r. Each rack (104) is assigned a unique identifier (ID). No two racks are associated with the same unique ID. An Radio Frequency IDentification (RFID) tag (106) is embedded within or placed on the outer shell of each rack. The RFID tag (106) of a rack (104) is programmed with the unique ID assigned to the rack (104). An RFID reader (110) reads the unique ID of each rack (104) as the racks are placed into the warewasher (100). The RFID reader (110) transmits the unique ID to a host computer (112) where the unique ID is stamped with a time reference, stored and eventually uploaded to a server computer (426). The unique ID and associated time reference are analyzed by the server computer (426), the host computer (112) or a client computer (430 ) connected to the server computer (426) in order to monitor performance of th e warewasher (100). For example, the analysis may calculate the total number o f racks provided to the wash chamber (100) over a given period in time.</SDOAB >

Claims (52)

Claims WHAT IS CLAIMED IS:
1. A method for monitoring operations of a warewasher over a predetermined period of time, wherein one or more racks are used to carry one or more articles through the warewasher, the method comprising:
associating a unique identifier (ID) to each rack used to carry one or more articles through the warewasher, wherein each rack is labeled with an identification tag specifying the unique ID assigned to that rack;
reading a unique ID assigned to a first rack as an identification tag of the first rack is detected while the first rack is being provided to the warewasher; and communicating the unique ID assigned to the first rack to a remote computer for storage in a database.
2. A method as defined in claim 1, wherein the reading act comprises:
reading a unique ID for each of a plurality of subsequent racks as identification tags of the subsequent racks are detected while the subsequent racks are being provided to the warewasher after the first rack.
3. A method as defined in claim 2, wherein the communicating act comprises:
communicating the unique ID assigned to each of the plurality of subsequent racks to the remote computer such that the database is updated to contain the unique ID's assigned to the first rack and the plurality of subsequent racks.
4. A method as defined in claim 3, further comprising:
analyzing the unique ID's stored in the database to determine a total number of instances that a particular rack is provided to the warewasher over the predetermined period of time.
5. A method as defined in claim 3, further comprising:

analyzing the unique ID's stored in the database to determine a total number of racks provided to the warewasher over the predetermined period of time.
6. A method as defined in claim 3, further comprising:

associating the unique ID assigned to the first rack with a time reference relative to a calendar date and clock time that the unique ID assigned to the first rack was detected; and associating each unique ID assigned to each of the plurality of subsequent racks with a time reference relative to a calendar date and clock time that each of the unique ID's assigned to each of the plurality of subsequent racks was detected.
7. A method as defined in claim 2, wherein the identification tag is a Radio Frequency IDentification (RFID) tag and the reading act comprises:

reading the unique ID assigned to the first rack and the unique ID's assigned to the subsequent racks using an RFID tag reader.
8. A method as defined in claim 1, further comprising:

analyzing the detected unique ID assigned to the first rack to determine a type of one or more articles placed in the first rack.
9. A method as defined in claim 1, wherein the identification tag for the first rack is affixed to an outer surface of the first rack.
10. A method as defined in claim 1, wherein the identification tag for the first rack is located within a molding of the first rack.
11. A system for collecting information associated with a warewasher, wherein one or more racks used to carry one or more articles through the warewasher include an identification tag specifying a unique identifier (ID) assigned to each rack, the system comprising:
a tag reader detecting the identification tag of each rack provided to the warewasher and generating signals indicative of the unique ID specified by each identification tag;
a host computer connected to the tag reader by a first communication path, the host computer receiving signals generated by the tag reader over the first communication path and decoding the generated signals to obtain the unique ID
assigned to each rack provided to the warewasher; and a communication device receiving the obtained unique ID's from the host computer over a second communication path and transmitting the obtained unique ID's to a remote computer for storage.
12. A system as defined in claim 11, wherein the identification tags of the racks provided to the warewasher are Radio Frequency Identification (RFID) tags and the tag reader is an RFID tag reader.
13. A system as defined in claim 11, wherein the first communication path connecting the tag reader and the host computer is a wireless communication path.
14. A system as defined in claim 11, wherein a client computer accesses the remote computer to retrieve the unique ID's transmitted to the remote computer, the client computer comprising:
an analysis application program evaluating the retrieved unique ID's to generate an analysis report.
15. A system as defined in claim 14, wherein the analysis report is a compilation of a total number of instances that a particular rack is provided to the warewasher over a predetermined period of time.
16. A system as defined in claim 14, wherein the analysis report is a compilation of a total number of racks provided to the warewasher over a predetermined period of time.
17. A system as defined in claim 14, wherein the analysis application program evaluates a retrieved unique ID to determine a type of one or more articles placed in a rack assigned to the retrieved unique ID.
18. A system as defined in claim 11, wherein the remote computer stores the unique ID's transmitted to the remote computer by the communication device to a database.
19. A system as defined in claim 18, wherein the remote computer evaluates the unique ID's stored in the database to determine a total number of instances that a particular rack is provided to the warewasher over a predetermined period of time.
20. A system as defined in claim 18, wherein the remote computer evaluates the unique ID's stored in the database to determine a total number of racks provided to the warewasher over a predetermined period of time.
21. A system as defined in claim 18, wherein the remote computer evaluates the unique ID's stored in the database to determine a type of one or more articles placed in a rack assigned to the retrieved unique ID.
22. A system as defined in claim 11, wherein the host computer comprises a storage medium for locally storing the obtained unique ID's.
23. A system as defined in claim 22, wherein the host computer evaluates the unique ID's stored on the storage medium to determine a total number of instances that a particular rack is provided to the warewasher over a predetermined period of time.
24. A system as defined in claim 22, wherein the host computer evaluates the unique ID's stored on the storage medium to determine a total number of racks provided to the warewasher over a predetermined period of time.
25. A system as defined in claim 22, wherein the host computer evaluates the unique ID's stored on the storage medium to determine a type of one or more articles placed in a rack assigned to the retrieved unique ID.
26. A computer program storage medium readable by a computing system and encoding a computer program for executing a computer process for monitoring operations of a warewasher over a predetermined period of time, wherein racks used to carry articles through the warewasher are labeled with an identification tag specifying a unique identifier assigned to each rack, the computer process comprising:
reading a unique ID assigned to a first rack as an identification tag of the first rack is detected while the first rack is being provided to the warewasher; and communicating the unique ID assigned to the first rack to a remote computer for storage in a database.
27. A computer program storage medium as defined in claim 26, wherein the reading act comprises:
reading a unique ID for each of a plurality of subsequent racks as identification tags of the subsequent racks are detected while the subsequent racks are being provided to the warewasher after the first rack.
28. A computer program storage medium as defined in claim 27, wherein the communicating act comprises:
communicating the unique ID assigned to each of the plurality of subsequent racks to the remote computer such that the database is updated to contain the unique ID's assigned to the first rack and the plurality of subsequent racks.
29. A computer program storage medium as defined in claim 28, wherein the computer process further comprises:
analyzing the unique ID's stored in the database to determine a total number of instances that a particular rack is provided to the warewasher over the predetermined period of time.
30. A computer program storage medium as defined in claim 28, wherein the computer process further comprises:
analyzing the unique ID's stored in the database to determine a total number of racks provided to the warewasher over the predetermined period of time.
31. A computer program storage medium as defined in claim 28, wherein the computer process further comprises:
associating the unique ID assigned to the first rack with a time reference relative to a calendar date and time that the unique ID assigned to the first rack was detected;
and associating each unique ID assigned to each of the plurality of subsequent racks with a time reference relative to a calendar date and time that each of the unique ID's assigned to each of the plurality of subsequent racks was detected.
32. A computer program storage medium as defined in claim 27, wherein the identification tag is a Radio Frequency Identification (RFID) tag and the reading act comprises:
reading the unique ID assigned to the first rack and the unique ID's assigned to the subsequent racks using an RFID tag reader.
33. A computer program storage medium as defined in claim 26, wherein the computer process further comprises:
analyzing the detected unique ID assigned to the first rack to determine a type of one or more articles placed in the first rack.
34. A method for monitoring operations of a warewasher over a predetermined period of time, wherein one or more racks are used to carry one or more articles through the warewasher, the method comprising:
associating a unique identifier (ID) to each rack used to carry one or more articles through the warewasher, wherein each rack is labeled with an identification tag specifying the unique ID assigned to that rack;
receiving a unique ID assigned to a first rack from a host computer, the host computer operably coupled to a tag reader reading the identification tag to determine the unique ID assigned to the first rack while the first rack is being provided to the warewasher; and storing the unique ID assigned to the first rack in a database
35. A method as defined in claim 34, wherein the receiving act comprises:
receiving a unique ID assigned to each of a plurality of subsequent racks from the host computer, wherein the tag reader reads identification tags included on each of the plurality of subsequent racks to determine the unique ID's assigned to the subsequent racks while the subsequent racks are being provided to the warewasher after the first rack.
36. A method as defined in claim 35, wherein the storing act comprises:
storing the received unique ID's assigned to the plurality of subsequent racks in a database.
37. A method as defined in claim 36, further comprising:
analyzing the unique ID's stored in the database to determine a total number of instances that a particular rack is provided to the warewasher over the predetermined period of time.
38. A method as defined in claim 37, further comprising:
analyzing the unique ID's stored in the database to determine a total number of racks provided to the warewasher over the predetermined period of time.
39. A method as defined in claim 38, further comprising:

associating the unique ID assigned to the first rack with a time reference relative to a calendar date and clock time that the unique ID assigned to the first rack was read by the tag reader; and associating each unique ID assigned to each of the plurality of subsequent racks with a time reference relative to a calendar date and clock time that each of the unique ID's assigned to each of the plurality of subsequent racks was read by the tag reader.
A method as defined in claim 34, wherein the identification tag is a Radio Frequency IDentification (RFID) tag and the tag reader is an RFID tag reader.
41. A method as defined in claim 34; further comprising:

analyzing the detected unique ID assigned to the first rack to determine a type of one or more articles placed in the first rack.
42. A system for collecting information associated with a warewasher, wherein one or more racks used to carry one or more articles through the warewasher include an identification tag specifying a unique identifier (ID) assigned to each rack, the system comprising:

a tag reader detecting the identification tag of each rack provided to the warewasher and generating signals indicative of the unique ID specified by each identification tag, the tag reader providing the signals to a local computer over a first communication path; and a remote computer connected to the local computer over a network connection, the remote computer receiving the signals over the network connection and decoding the signals to obtain the unique ID assigned to each rack provided to the warewasher.
43. A system as defined in claim 42, wherein the identification tags of the racks provided to the warewasher are Radio Frequency Identification (RFID) tags and the tag reader is an RFID tag reader.
44. A system as defined in claim 42, wherein the first communication path connecting the tag reader and the local computer is a wireless communication path.
45. A system as defined in claim 42, further comprising:
a database receiving the obtained unique ID's from the remote computer and storing the unique ID's.
46. A system as defined in claim 45, wherein a client computer accesses the remote computer to retrieve the unique ID's stored in the database, the client computer comprising:
an analysis application program evaluating the retrieved unique ID's to generate an analysis report.
47. A system as defined in claim 46, wherein the analysis report is a compilation of a total number of instances that a particular rack is provided to the warewasher over a predetermined period of time.
48. A system as defined in claim 46, wherein the analysis report is a compilation of a total number of racks provided to the warewasher over a predetermined period of time.
49. A system as defined in claim 46, wherein the analysis application program evaluates a retrieved unique ID to determine a type of one or more articles placed in a rack assigned to the retrieved unique ID.
50. A system as defined in claim 45, wherein the remote computer evaluates the unique ID's stored in the database to determine a total number of instances that a particular rack is provided to the warewasher over a predetermined period of time.
51. A system as defined in claim 45, wherein the remote computer evaluates the unique ID's stored in the database to determine a total number of racks provided to the warewasher over a predetermined period of time.
52. A system as defined in claim 45, wherein the remote computer evaluates the unique ID's stored in the database to determine a type of one or more articles placed in a rack assigned to the retrieved unique ID.
CA2499120A 2002-11-04 2003-10-21 Monitoring performance of a warewasher Expired - Lifetime CA2499120C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/288,352 2002-11-04
US10/288,352 US7437213B2 (en) 2002-11-04 2002-11-04 Monitoring performance of a warewasher
PCT/US2003/033231 WO2004041058A2 (en) 2002-11-04 2003-10-21 Monitoring performance of a warewasher

Publications (2)

Publication Number Publication Date
CA2499120A1 true CA2499120A1 (en) 2004-05-21
CA2499120C CA2499120C (en) 2010-03-30

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CA2499120A Expired - Lifetime CA2499120C (en) 2002-11-04 2003-10-21 Monitoring performance of a warewasher

Country Status (7)

Country Link
US (1) US7437213B2 (en)
EP (1) EP1558119B1 (en)
AT (1) ATE372085T1 (en)
AU (1) AU2003286521A1 (en)
CA (1) CA2499120C (en)
DE (1) DE60316173T2 (en)
WO (1) WO2004041058A2 (en)

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WO2004041058A2 (en) 2004-05-21
DE60316173T2 (en) 2008-06-05
EP1558119A2 (en) 2005-08-03
US7437213B2 (en) 2008-10-14
AU2003286521A8 (en) 2004-06-07
CA2499120C (en) 2010-03-30
US20040088075A1 (en) 2004-05-06
DE60316173D1 (en) 2007-10-18
EP1558119B1 (en) 2007-09-05
AU2003286521A1 (en) 2004-06-07
ATE372085T1 (en) 2007-09-15

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