System and method for assisting with the diagnosis of the operating condition of a rotary machine

• US 10,222,298 B2
• Filed: 12/30/2014
• Issued: 03/05/2019
• Est. Priority Date: 12/30/2013
• Status: Active Grant

• Current Assignee: Howden Solyvent-Ventec
• Original Assignee: Howden Solyvent-Ventec
• Inventors: Sivo, Michel, Louisot, Alain Bernard Dominique, Amor, Didier Francois Hugues
• Primary Examiner(s): Surin, J M Saint
• Application Number:
  US15/108,920
• Publication Number:
  US 20160327453A1
• Time in Patent Office: 1,526 Days
• Field of Search: 73660
• CPC Class Codes: G01M 13/02 Gearings; Transmission mechanisms
• CPC Class Codes: G01M 13/028 Acoustic or vibration analysis
• CPC Class Codes: G01M 15/05 by combined monitoring of two or more different engine parameters
• CPC Class Codes: G01M 15/12 by monitoring vibrations
• CPC Class Codes: G05B 23/0213 Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
• CPC Class Codes: G05B 23/0227 Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions
• CPC Class Codes: G07C 3/00 Registering or indicating the condition or the working of machines or other apparatus, other than vehicles

Abstract

The invention relates to a system (100) for assisting with the diagnosis of the operating condition of at least one industrial rotary machine (M1, M2, M3), consisting of an industrial electric fan unit, or an industrial motorized pump unit including a pumping wheel, said diagnosis assistance system (100) including a base support (50) and a means (10) for receiving signals (S1, S2, S3) secured to the base mounting (50), the means (10) for receiving signals (S1, S2, S3) being designed such as to receive signals (S1, S2, S3) representing raw values (6) of at least one operating parameter of the rotary machine (M1, M2, M3), characterized in that the system (100) also includes a means (20) for interpreting the operating condition designed such as to automatically interpret the raw values (6) received and to generate a diagnosis (De) of the operating condition of the rotary machine (M1, M2, M3) in accordance with said raw values (6). The invention can be used in the field of rotary-machine maintenance.

Claims

1. A diagnosis assistance system (100) for diagnosing an operating state of at least one industrial rotary machine (M1, M2, M3) formed by an industrial motor-and-fan unit comprising a motor and a fanwheel driven in rotation by said motor, or by an industrial motor-and-pump unit including a pump wheel, said diagnosis assistance system (100) comprising;

a base support (50);

a reception means (10) secured to the base support (50), the reception means (10) being designed to receive signals (S1, S2, S3) representative of raw values (6) of at least one operating parameter of said at least one rotary machine (M1, M2, M3), the raw values (6) being picked up within said at least one rotary machine (M1, M2, M3);

interpretation means (20) for;

interpreting the operating state;

automatically interpreting the received raw values (6); and

generating a diagnosis (Dc) about the operating state of said at least one rotary machine (M1, M2, M3) as a function of said raw values (6); and

an interface device (31) having a local screen (31A) designed to display an interactive interface (30) that enables the user to access distinct diagnosis levels (D1, D2), comprising at least;

a first diagnosis level (D1) in which the user can access the diagnosis and read the operating state directly; and

a second diagnosis level (D2) in which the user can access the raw values (6).

2. The diagnosis assistance system (100) according to claim 1, wherein the interpretation means (20) comprises:

an association algorithm (2); and

a state database (2B) containing a plurality of known operating states, the association algorithm (2) including an association module (2A) enabling the operating state to be associated with one of the known operating states of the state database (2B).

3. The diagnosis assistance system (100) according to claim 2, wherein the association algorithm (2) includes at least one time and/or frequency analysis module (2D) enabling time and/or frequency analysis to be performed on the raw values (6) and enabling an analysis result to be generated representative of the operating state, the association module (2A) serving to compare the analysis result with result models of the state database (2B), the result models corresponding to the plurality of known operating states, the association module (2A) serving to associate the operating state with one of the known operating states.

4. The diagnosis assistance system (100) according to claim 2, wherein the association algorithm (2) comprises a comparison module (2C) for comparing the raw values (6) with threshold values of the state database (2B), the threshold values corresponding to the plurality of known operating states, the association module (2A) serving to associate the operating state with one of the known operating states.

5. The diagnosis assistance system (100) according to claim 2, further comprising:

an embedded computer (11), the interpretation means (20) being in the form of operating software (12) loaded in the embedded computer (11) to execute the association algorithm (2).

6. The diagnosis assistance system (100) according to claim 1, wherein:

the base support (50) comprises a housing of a cabinet or box type that is designed to be closed and locked using a door (51) of said housing; and

the interactive interface (30) is arranged on said housing in such a manner that a user can access it without unlocking said housing.

7. The diagnosis assistance system (100) according to claim 1, further comprising:

an access rights system that authorizes access to the distinct diagnosis levels (D1, D2) as a function of access rights of the user.

8. A diagnosis assistance system (100) for diagnosing an operating state of at least one industrial rotary machine (M1, M2, M3) formed by an industrial motor-and-fan unit comprising a motor and a fanwheel driven in rotation by said motor, or by an industrial motor-and-pump unit including a pump wheel, said diagnosis assistance system (100) comprising:

a base support (50);

a reception means (10) secured to the base support (50), the reception means (10) being designed to receive signals (S1, S2, S3) representative of raw values (6) of at least one operating parameter of said at least one rotary machine (M1, M2, M3),the raw values (6) being picked up within said at least one rotary machine (M1, M2, M3);

interpretation means (20) for;

interpreting the operating state;

automatically interpreting the raw values (6) of the at least one operating parameter, which includes any combination of a speed, an acceleration, a vibration, a temperature, a torque, a force, and/or a sound measurement type for one or more functional components of said at least one rotary machine (M1, M2, M3); and

generating a diagnosis (Dc) about the operating state of said at least one rotary machine (M1, M2, M3) as a function of said raw values (6).

9. The diagnosis assistance system (100) according to claim 8, further comprising:

a remote diagnosis device (40) designed to communicate remotely with the interpretation means (20) and/or with the reception means (10) in order to receive;

(1) the diagnosis (Dc) about the operating state; and

/or (2) the raw values (6) of said at least one operating parameter.

10. The diagnosis assistance system (100) according to claim 8, wherein the reception means (10) comprises:

ports (1A) designed to receive the signals (S1, S2, S3) and to extract the raw values (6) therefrom; and

a memory (1B) in which the raw values (6) received over a predetermined duration are stored, the interpretation means (20) being designed to use the raw values (6) received over the predetermined duration.

11. The diagnosis assistance system (100) according to claim 10, wherein the ports (1A) are suitable for receiving the signals (S1, S2, S3) in the form of electrical or electromagnetic signals transmitted by sensors (SA1, SA2, SA3) arranged within said at least one rotary machine (M1, M2, M3).

12. The diagnosis assistance system (100) according to claim 8, wherein the at least one industrial rotary machine includes one to four industrial rotary machines, the one or more operating parameter includes one to six operating parameters, and the reception means (10) comprises:

a sufficient number of ports (1A) to receive the raw values (6) of the one to six operating parameters from the one to four industrial rotary machines.

13. A diagnosis assistance system (100) for diagnosing an operating state of at least one industrial rotary machine (M1, M2, M3) formed by an industrial motor-and-fan unit comprising a motor and a fanwheel driven in rotation by said motor, or by an industrial motor-and-pump unit including a pump wheel, said diagnosis assistance system (100) comprising:

a base support (50) comprising a housing of a cabinet or box type that is designed to be closed and locked using a door (51) of said housing;

a reception means (10) disposed inside the housing of the base support (50), the reception means (10) being designed to receive signals (S1, S2, S3) representative of raw values (6) of at least one operating parameter of said at least one rotary machine (M1, M2, M3), the raw values (6) being picked up within said at least one rotary machine (M1, M2, M3); and

interpretation means (20) for;

interpreting the operating state;

automatically interpreting the received raw values (6); and

generating a diagnosis (Dc) about the operating state of said at least one rotary machine (M1, M2, M3) as a function of said raw values (6).

14. The diagnosis assistance system (100) according to claim 13, wherein the interpretation means (20) are also disposed inside the housing.

15. The diagnosis assistance system (100) according to claim 13, further comprising:

an interface device (31) enabling a user to access the diagnosis (Dc), the interface device (31) having a local screen (31A) designed to display an interactive interface (30) and arranged on said housing in such a manner that a user can access it without unlocking said housing.

16. The diagnosis assistance system (100) according to claim 15, wherein the local screen (31A) is a touch screen.

17. The diagnosis assistance system (100) according to claim 15, wherein said interactive interface (30) enables the user to access distinct diagnosis levels (D1, D2), comprising at least:

a first diagnosis level (D1) in which the user can access the diagnosis and read the operating state directly; and

a second diagnosis level (D2) in which the user can access the raw values (6).

18. The diagnosis assistance system (100) according to claim 17, further comprising:

an access rights system that authorizes access to the distinct diagnosis levels (D1, D2) as a function of access rights of the user.

19. A diagnosis assistance method for diagnosing an operating state of at least one industrial rotary machine (M1, M2, M3) formed by an industrial motor-and-fan unit comprising a motor and a fanwheel driven in rotation by said motor, or by an industrial motor-and-pump unit including a pump wheel, said diagnosis assistance method comprising:

receiving signals (S1, S2, S3) representative of raw values (6) of at least one operating parameter of said at least one rotary machine (M1, M2, M3), the raw values (6) being picked up within said at least one rotary machine (M1, M2, M3);

automatically interpreting received raw values (6), wherein the automatically interpreting includes an association substep that associates the operating state with a known operating state; and

generating a diagnosis (Dc) about the operating state of said at least one rotary machine (M1, M2, M3) as a function of said raw values (6).

20. The diagnosis assistance method according to claim 19, wherein the association substep comprises:

executing time and/or frequency analysis of the raw values (6) of said at least one operating parameter, thereby obtaining an analysis result representing the operating state; and

comparing the analysis results with result models corresponding to a plurality of known operating states in order to associate the operating state with one of the known operating states.

21. A medium suitable for being read by a computer and storing operating software (12), wherein the operating software (12) enables the automatic interpreting and the generating the diagnosis (Dc) of the diagnosis assistance method claim 19 to be performed.

22. The diagnosis assistance method according to claim 19, wherein the association substep comprises:

comparing raw values (6) with threshold values associated with a plurality of known operating states in order to associate the operating state with one of the known operating states.

23. The method of claim 19, further comprising:

providing access to distinct diagnosis levels (D1, D2) comprising at least;

a first diagnosis level (D1) that allows a user to access the diagnosis and read the operating state directly; and

a second diagnosis level (D2) that allows the user to access the raw values (6).

24. A diagnosis assistance method for diagnosing an operating state of at least one industrial rotary machine (M1, M2, M3) formed by an industrial motor-and-fan unit comprising a motor and a fanwheel driven in rotation by said motor, or by an industrial motor-and-pump unit including a pump wheel, said diagnosis assistance method comprising:

receiving signals (S1, S2, S3) representative of raw values (6) of at least one operating parameter of said at least one rotary machine (M1, M2, M3), the raw values (6) being picked up within said at least one rotary machine (M1, M2, M3);

automatically interpreting received raw values (6); and

generating a diagnosis (Dc) about the operating state of said at least one rotary machine (M1, M2, M3) as a function of said raw values (6);

providing access to distinct diagnosis levels (D1, D2) comprising at least;

a first diagnosis level (D1) that allows a user to access the diagnosis and read the operating state directly; and

a second diagnosis level (D2) that allows the user to access the raw values (6).

25. The diagnosis assistance method according to claim 24, further comprising:

authenticating the user based on access rights prior to providing the user with the access to the first diagnosis level (D1) and/or the second diagnosis level (D2).