Portable electronic measurement

• US 7,525,667 B2
• Filed: 05/23/2005
• Issued: 04/28/2009
• Est. Priority Date: 05/24/2004
• Status: Active Grant

• Current Assignee: International Electronic Machines Corp.
• Original Assignee: International Electronic Machines Corp.
• Inventors: Mian, Zahid F., MacAllister, Robert, Peabody, William
• Primary Examiner(s): Lauchman; L. G
• Assistant Examiner(s): Underwood; Jarreas C
• Application Number:
  US11/134,944
• Publication Number:
  US 20050259273A1
• Time in Patent Office: 1,436 Days
• Field of Search: 356399-401, 356/601
• US Class Current: 356/601
• CPC Class Codes: B61K 9/08 Measuring installations for surveying permanent way applications of measuring apparatus or devices for track building purposes E01B35/00; measuring techniques G01
• CPC Class Codes: B61K 9/12 Measuring or surveying wheel-rims measuring techniques G01
• CPC Class Codes: G01B 5/06 for measuring thickness

Abstract

The invention provides a handheld electronic gauge that is configured to obtain measurement data for an object, such as a wheel, rail, axle, or the like. The gauge includes one or more position sensors that automatically determine when the gauge is in a measurement position. The invention also provides a handheld computing device that can automatically determine when a gauge is in the measurement position and automatically obtain measurement data using the gauge. As a result, the invention provides a solution for measuring an object, such as a railway wheel, that is portable and capable of repeatedly providing various desired measurements, irrespective of the operator.

Claims

1. A method of measuring an object, the method comprising:

positioning a handheld electronic gauge adjacent to a side of the object; and

obtaining measurement data for the object using the gauge, wherein the obtaining step includes;

illuminating at least a portion of the side of the object, wherein the illuminating includes illuminating the side of the object below the gauge and in two locations that are transverse to and on opposite sides of the gauge with a set of illumination devices disposed in the gauge;

sensing a reflection of the illuminated object from the illuminated side, wherein the sensing includes sensing a reflection from below the gauge and the two locations with a set of sensing devices disposed in the gauge; and

measuring a plurality of data points on the illuminated side of the object based on the sensed reflections.

2. The method of claim 1, further comprising determining a profile of the object based on the measurement data.

3. The method of claim 1, further comprising providing the measurement data for use on a second computing device.

4. The method of claim 1, further comprising automatically determining that the gauge is in a measurement position, wherein the automatically determining step includes determining a measurement position status for at least one positioning sensor.

5. The method of claim 4, further comprising automatically initiating the measuring step based on the determining step.

6. The method of claim 1, further comprising providing a notification of completion of the measuring step.

7. The method of claim 1, further comprising obtaining identifying information for the measurement, wherein the measurement data is associated with the identifying information.

8. The method of claim 1, further comprising:

obtaining previous measurement data for the object;

comparing the measurement data to the previous measurement data;

determining that the measurement data abnormally deviates from the previous measurement data; and

prompting a user of the gauge to re-measure the object.

21. The method of claim 1, further comprising obtaining a scale for the measuring, wherein the obtaining measurement data includes adjusting at least one of:

the illuminating, the sensing, or the measuring based on the scale.

22. The method of claim 1, wherein the illuminating includes illuminating at least a portion of a second side and a third side of the object, and wherein the sensing includes sensing reflections of the illuminated object from the second side and the third side.

9. A system for measuring an object, the system comprising:

a handheld electronic gauge that includes;

means for automatically determining that the gauge is in a measurement position with respect to the object; and

means for obtaining measurement data for the object, wherein the means for obtaining includes;

means for illuminating at least a portion of a side of the object;

means for sensing a reflection of the illuminated object for each of a plurality of points on the object from the illuminated side; and

means for measuring a plurality of data points on the illuminated side of the object based on the sensed reflection; and

a computing device in communication with the gauge, wherein the computing device is configured to compare the measurement data to previous measurement data for the object, determine that the measurement data abnormally deviates from the previous measurement data based on the comparison, and prompt a user of the gauge to re-measure the object in response to the determination.

10. The system of claim 9, further comprising means for determining a profile of the object based on the measurement data.

11. The system of claim 9, further comprising a non-volatile memory for storing the measurement data.

12. The system of claim 9, wherein the gauge further includes:

means for processing the measurement data; and

means for interfacing with a user.

13. The system of claim 9, wherein the means for automatically determining includes means for determining a measurement position status for at least one positioning sensor.

14. The system of claim 9, further comprising means for providing a notification of completion of a measurement.

15. The system of claim 9, further comprising means for obtaining identifying information for the measurement.

18. The system of claim 9, wherein the object is a wheel, the means for illuminating including means for illuminating a top surface of the wheel in two locations that are on opposite sides of the gauge and the means for sensing including means for sensing reflections from the two locations, the system further comprising means for determining a circumference of the wheel based on the measurement data.

19. The system of claim 9, wherein the means for illuminating and means for sensing are configured to satisfy the Scheimpflug condition when the gauge is in the measurement position.

16. A system for measuring an object, the system comprising:

a handheld electronic gauge that includes;

a light generating device configured to generate light;

a mirror configured to direct the light onto at least a portion of a top surface of the object when the gauge is held in an upright position;

a sensing device configured to obtain measurement data for the object by sensing a reflection of the light from the top surface; and

a computing device that includes;

means for obtaining a scale for the measuring;

means for automatically determining that the gauge is in the measurement position; and

means for automatically obtaining measurement data for the object when the gauge is in the measurement position, wherein the means for automatically obtaining includes;

means for operating the light generating device;

means for operating the sensing device;

means for measuring a plurality of data points on the top surface of the object based on the sensed reflection; and

means for adjusting at least one of;

operation of the light generating device, operation of the sensing device, or a number of data points in the plurality of data points according to the scale.

17. The system of claim 16, further comprising an analysis system for analyzing the measurement data with previous measurement data.

20. The system of claim 16, the computing device further including:

means for comparing the measurement data to previous measurement data for the object;

means for determining that the measurement data abnormally deviates from the previous measurement data; and

means for prompting a user of the gauge to re-measure the object.

23. The system of claim 16, wherein the sensing device, mirror and light generating device are configured to satisfy the Scheimpflug condition when the gauge is in a measurement position with respect to the object.