Analysis system for analysing the condition of a machine

• US 20050125183A1
• Filed: 01/20/2003
• Published: 06/09/2005
• Est. Priority Date: 01/18/2002
• Status: Active Grant

• Current Assignee: S.P.M. Instrument AB
• Original Assignee: S.P.M. Instrument AB
• Inventors: Lindberg, Stefan, Lindberg, Jarl-Ove, Kummelstam, Jim, Hedlund, Hakan
• Granted Patent: US 7,054,761 B2
• Time in Patent Office: Days
• US Class Current: 702/113
• CPC Class Codes: G01H 1/003 of rotating machines G01H1/10 takes precedence
• CPC Class Codes: G01M 13/028 Acoustic or vibration analysis
• CPC Class Codes: G01M 13/045 Acoustic or vibration analysis
• CPC Class Codes: G01M 15/12 by monitoring vibrations
• CPC Class Codes: G07C 3/08 Registering or indicating the production of the machine either with or without registering working or idle time

Abstract

In a system for analysing the condition of a machine having a rotating shaft and a measuring point, a client part communicates with a supplier part. The client part includes: at least one sensor at the measuring point generating measurement data dependent on shaft rotation; an apparatus analyzing machine condition based on the measurement data by processing condition data and measurement data, including performing condition monitoring functions and registering use thereof; a communication port communication with the supplier part computer; a user input/output interface coupled to the data processor; a request generator to request usage amount for at least one condition monitoring function using the interface, the analysis apparatus supplying the request to the supplier part computer through the communication port; a key receiver for at least one condition monitoring function; a key verifier; and a device to change a parameter controlling allowed use responsive to an accepted key code.

Claims

1. A method of operating a system for analysing the condition of a machine having a rotating shaft (8) and a measuring point (12);

the system comprising a client part (4, 14, 19), a supplier part (20, 28) and means for exchanging information between said client part and said supplier part (20, 28);

said client part comprising;

at least one sensor (10) attachable on or at said measuring point (12) for generating said measurement data dependent on rotation of said shaft; and

an analysis apparatus (14) connectable to said at least one sensor for analysing the condition of the machine on the basis of said measurement data;

said analysis apparatus (14) having

a data processing means for processing condition data dependent on said measurement data;

said data processing means comprising means for performing a plurality of condition monitoring functions (F1, F2, Fn);

wherein at least one of said plurality of condition monitoring functions (F1, F2, Fn) is a restricted function having a disabled state and an enabled state;

said disabled state prohibiting complete execution of said condition monitoring function; and

said enabled state allowing execution;

wherein the apparatus is arranged to allow a limited amount of use of the at least one restricted condition monitoring function; and

a logger for registering use of said at least one restricted condition monitoring function (F1, F2, Fn);

wherein

the apparatus is arranged to change the state of a restricted condition monitoring function from the enabled state to the disabled state when said registered use indicates that the limited amount of use has been spent;

a communication port (16) coupled to said data processing means;

a user interface (102, 106, 103, 182) coupled to said data processing means for enabling user interaction;

the method comprising;

displaying a list of available functions via a user interface (102, 106, 103, 104, 182) with an indication about status for the displayed functions (S120);

allowing a user to request for an additional amount of use of at least one restricted condition monitoring function (S130);

generating a request for an additional amount of usage of said at least one restricted condition monitoring function (S140, S470) so that said request includes information indicative of said at least one restricted condition monitoring function and/or so that said request includes information indicative of said analysis apparatus;

supplying said request on said communication port (16) for delivery to said supplier part (20, 28);

receiving said request at said supplier part (S480, 20, 28);

establishing, at said supplier part (20, 28), whether to grant said request ;

delivering, from said supplier part (S530, 20, 28), a key associated with an additional amount of use of at least one restricted condition monitoring function when said establishing step results in a grant of said request (S18O);

receiving said key at said client part (S540, 4, 14, 19);

performing a key verification procedure at said client part (S200, S550, 560, 570, 4, 14, 19);

causing said client part analysis apparatus (14) to change a parameter controlling an amount of allowed use in response to said received key code when said key verification procedure results in an acceptance of said received key (S220, S590).

2. The method according to claim 1, wherein

said request is generated so that it includes information indicative of a desired additional amount of usage and information indicative of said at least one restricted condition monitoring function and/or information indicative of an identity of said analysis apparatus.

3. The method according to claim 1, wherein

said request is generated so that it includes information indicative of a desired additional amount of usage and information indicative of an identity of said analysis apparatus.

4. The method according to claim 1, wherein

said key is generated so that it comprises information resulting from a calculation involving information in said request.

5. The method according to claim 1, wherein

said key is generated so that it comprises information resulting from a calculation involving information identifying said at least one restricted condition monitoring function and/or information indicative of an identity of said analysis apparatus.

6. The method according to claim 1, wherein

said request is generated so that it includes payment information.

7. The method according to claim 1, wherein

said key is generated so that it comprises information which is at least partly encrypted.

8. The method according to claim 1, wherein

said request is generated by means of user interaction involving a user interface (102, 106, 103, 104, 182) coupled to said data processing means.

9. The method according to claim 1, further comprising the step of

requesting a user to enter a key code associated with at least one of said condition monitoring functions.

10. The method according to claim 1, wherein

said key code is received via said communication port (16) when connected to a communications network (18).

11. The method according to claim 1, wherein

said key code is delivered from said supplier part (20, 28) by means of a communications network (18).

12. The method according to claim 10, wherein

communications network (18) comprises a public switched telephone network and/or the Internet.

33. The apparatus according to claim 1, further comprising

means for causing said analysis apparatus (14) to enable a user to buy usage of a selected condition monitoring function (S130).

34. The apparatus according to claim 1, wherein

said logger is adapted to register use of a first condition monitoring function a first rate;

and

said logger is adapted to register use of a second condition monitoring function at a second rate.

35. The apparatus according to claim 34, wherein

said second rate is such that use registered at said second rate causes a higher cost per unit of usage than use registered at said first rate.

36. The apparatus according to claim 34, wherein

said second rate is such that use registered at said second rate causes a lower cost per unit of usage than use registered at said first rate.

37. The apparatus according to claim 1, wherein:

said registered use is a parameter indicative of a number of executions of at least one of said condition monitoring functions (F1, F2,Fn).

38. The apparatus according to claim 1, wherein:

said registered use is a parameter indicative of an extent of time.

13. A system for analysing the condition of a machine having a rotating shaft (8) and a measuring point (12);

the system comprising a client part connectable to a communications network (18) for communication with a supplier part (20);

said client part comprising;

at least one sensor (10) attachable on or at said measuring point (12) for generating said measurement data dependent on rotation of said shaft;

an analysis apparatus (14) for analysing the condition of the machine on the basis of said measurement data;

said analysis apparatus (14) having

a data processing means for processing condition data dependent on said measurement data;

said data processing means comprising means for performing a plurality of condition monitoring functions (F1, F2, Fn); and

a logger for registering use of at least one of said condition monitoring functions (F1, F2,Fn);

a communication port (16) coupled to said data processing means and connectable to said communications network (18) for communication with said supplier part computer (20);

a user input/output interface (102, 106, 103, 182) coupled to said data processing means for enabling user interaction;

means (50, 60, 70, 80, 132) for generating a request for an amount of usage of at least one of said condition monitoring functions (F1, F2, Fn);

said request generating means being actuatable by said user input/output interface (102, 106, 103, 182);

wherein

said analysis apparatus (14) is adapted to supply said request to said communication port (16) for delivery to said supplier part computer (20);

(18);

means (50, 60, 70, 80, 132, 16) for receiving a key associated with at least one of said condition monitoring functions;

means (50, 60, 70, 80, 132, 16) for performing a key verification procedure;

means (50, 60, 70, 80, 132, 16) for causing said analysis apparatus (14) to change a parameter controlling an amount of allowed use in response to said received key code when said key verification procedure results in an acceptance of said received key code.

14. The system according to claim 13, further comprising

means for causing said analysis apparatus (14) to display a list of condition monitoring functions with an indication of whether an individual condition monitoring function is disabled or enabled.

15. The system according to claim 13, further comprising

means for causing said analysis apparatus (14) to enable a user to buy usage of a selected condition monitoring function (S130).

16. The system according to claim 13, wherein

said at least one input includes an input adapted to receive shock pulse measurement data;

said adapted input comprising means for treatment of said shock pulse measurement data and delivery of said treated data to said data processing means.

17. The system according to any of claims 13-16claim 13, wherein

said plurality of condition monitoring functions (F1, F2,Fn) includes two or three or more functions selected from the group consisting of:

vibration analysis, temperature analysis, shock pulse measuring, spectrum analysis of shock pulse measurement data, Fast Fourier Transformation of vibration measurement data, graphical presentation of condition data on a user interface, storage of condition data in a writeable information carrier on said machine, storage of condition data in a writeable information carrier in said apparatus, tachometering, imbalance detection, misalignment detection.

18. The system according to claim 13, wherein

said plurality of condition monitoring functions (F1, F2,Fn) includes a function for imbalance detection.

19. The system according to claim 18, wherein

said plurality of condition monitoring functions (F1, F2,Fn) includes a function for balancing.

20. The system according to claim 13, wherein

said plurality of condition monitoring functions (F1, F2,Fn) includes a function for misalignment detection.

21. The system according to claim 20, wherein

said plurality of condition monitoring functions (F1, F2,Fn) includes a function for alignment.

22. An apparatus for analysing the condition of a machine having a rotating shaft (8) and a measuring point (12);

comprising;

at least one input for receiving measurement data from a sensor for surveying said measuring point of the machine;

said measurement data being dependent on rotation of said shaft;

data processing means for processing condition data dependent on said measurement data;

said data processing means comprising means for performing a plurality of condition monitoring functions (F1, F2,Fn);

a logger for registering use of at least one of said condition monitoring functions (F1, F2,Fn);

said registration of use affecting a parameter indicative of an allowed amount of use of said at least one of said condition monitoring functions (F1, F2, Fn);

a communication port (16) coupled to said data processing means and connectable to a communications network (18);

means (50, 60, 70, 80, 132, 16) for receiving, on said communication port (16), a key code associated with at least one of said condition monitoring functions;

means (50, 60, 70, 80, 132, 16) for performing a key code verification procedure;

means (50, 60, 70, 80, 132, 16) for causing said analysis apparatus (14) to change said parameter in response to said received key code when said key verification procedure results in an acceptance of said received key code.

23. The apparatus according to claim 22, further comprising

means for causing said analysis apparatus (14) to display a list of condition monitoring functions with an indication of whether an individual condition monitoring function is disabled or enabled.

24. The apparatus according to claim 22, wherein

said at least one input includes an input adapted to receive shock pulse measurement data;

said adapted input comprising means for treatment of said shock pulse measurement data and delivery of said treated data to said data processing means.

25. The apparatus according to claim 22, wherein

said plurality of condition monitoring functions (F1, F2,Fn) includes two or three or more functions selected from the group consisting of:

vibration analysis, temperature analysis, shock pulse measuring, spectrum analysis of shock pulse measurement data, Fast Fourier Transformation of vibration measurement data, graphical presentation of condition data on a user interface, storage of condition data in a writeable information carrier on said machine, storage of condition data in a writeable information carrier in said apparatus, tachometering, imbalance detection, misalignment detection.

26. The apparatus according to claim 22, wherein

said plurality of condition monitoring functions (F1, F2,Fn) includes a function for imbalance detection.

27. The apparatus according to claim 26, wherein

said plurality of condition monitoring functions (F1, F2,Fn) includes a function for balancing.

28. The apparatus according to claim 22, wherein

said plurality of condition monitoring functions (F1, F2,Fn) includes a function for misalignment detection.

29. The apparatus according to claim 28, wherein

said plurality of condition monitoring functions (F1, F2,Fn) includes a function for alignment.

30. The apparatus according to any of claims 22-29claim 22, wherein:

said logger is adapted to store at least two parameters (Use_F₁, Use_F₂);

a first one of said at least two parameters being associated with an amount of use of a first condition monitoring function (F1, F2, Fn), and

a second one of said at least two parameters being associated with an amount of use of a second condition monitoring function (F1, F2, Fn).

31. An apparatus for analysing the condition of a machine having a rotating shaft (8) and a measuring point (12), comprising:

at least one input for receiving measurement data from a sensor for surveying said measuring point of the machine;

said measurement data being dependent on rotation of said shaft;

data processing means for processing condition data dependent on said measurement data;

said data processing means comprising means for performing a plurality of condition monitoring functions (F1, F2,Fn); and

a logger for registering use of at least one of said condition monitoring functions (F1, F2,Fn);

said registration of use affecting a parameter indicative of an allowed amount of use of said at least one of said condition monitoring functions (F1, F2, Fn);

a user interface (102, 106, 103, 104, 182) coupled to said data processing means for enabling user interaction;

means for causing said user interface (102, 106, 103, 104, 182) to request a user to enter a key code associated with at least one of said condition monitoring functions;

means (50, 60, 70, 80, 132, 16) for receiving a key code associated with at least one of said condition monitoring functions via said user interface (102, 106, 103, 104, 182);

means (50, 60, 70, 80, 132, 16) for performing a key verification procedure;

means (50, 60, 70, 80, 132, 16) for causing said analysis apparatus (14) to change said parameter controlling an amount of allowed use in response to said received key code when said key verification procedure results in an acceptance of said received key code.

32. The apparatus according to claim 31, further comprising

means for causing said analysis apparatus (14) to display a list of condition monitoring functions with an indication of whether an individual condition monitoring function is disabled or enabled.