Internal structural monitoring system

• US 8,793,081 B1
• Filed: 07/06/2011
• Issued: 07/29/2014
• Est. Priority Date: 07/06/2010
• Status: Active Grant

• Current Assignee: KCF Technologies, Inc. (SKC Company Limited)
• Original Assignee: KCF Technologies, Inc. (SKC Company Limited)
• Inventors: Loverich, Jacob, Wenner, Stephen J., Frank, Jeremy E.
• Primary Examiner(s): LE, TOAN M
• Application Number:
  US13/176,975
• Time in Patent Office: 1,119 Days
• Field of Search: 702/42, 702 33- 35, 702/41, 702 43- 44, 702/81, 702/84, 702/127, 702182-185, 702188-189, 73/18.2, 735/70, 735/77, 73649-650, 73660-661, 340/429, 340/539.1, 340/566, 340/683, 3406931-6933
• US Class Current: 702/42
• CPC Class Codes: G01L 1/125 by using magnetostrictive means magnetostrictive sensors H10N35/101
• CPC Class Codes: G01L 1/26 Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
• CPC Class Codes: G01L 5/0004 Force transducers adapted for mounting in a bore of the force receiving structure G01L5/0009 takes precedence
• CPC Class Codes: G01M 5/0041 by determining deflection or stress
• CPC Class Codes: G01M 5/0066 by exciting or detecting vibration or acceleration vibration testing of structures G01M7/00

Abstract

A improved method of monitoring a structure by mounting a sensor within a cavity of the structure to measure at least one of strain experienced by the structure and vibration experience by the structure. Mounting a wireless communication unit mounted within the structure and connecting the wireless communication unit to the sensor to receive data from the sensor and transmit the data to a receiver outside the structure. Mounting a power supply within the structure and connecting the power supply to the sensor and the wireless communication unit to supply necessary electrical power to the sensor and the communication unit.

Claims

1. An improved method of monitoring a rod end, comprising:

using a rod end, the rod end having an eye used as a connection point to other structural components and a rod end shaft extending from the eye, the rod end shaft used for connection to a rod;

mounting a sensor inside a cavity of the rod end shaft to measure at least one of strain experienced by the rod end shaft and vibration experienced by the rod end shaft;

mounting a wireless communication unit mounted inside the cavity of the rod end shaft and connecting the wireless communication unit to the sensor to receive data from the sensor and transmit the data to a receiver outside the rod end shaft; and

mounting a power supply inside the cavity of the rod end shaft and connecting the power supply to the sensor and the wireless communication unit to supply necessary electrical power to the sensor and the communication unit.

2. The improved method of claim 1, further including mounting an energy harvester within the structure as part of said power supply.

3. The improved method of claim 2, further including installing a third system support in the structure and positioned in the structure such that the energy harvester is between the second system support and the third system support to hold the energy harvester in position so that the energy harvester can experience at least one of strain and vibration.

4. The improved method of claim 1, further including installing a first system support and a second system support in the structure and positioned in the structure such that the sensor is between the first system support and the second system support to hold the sensor in position so that the sensor senses at least one of strain and vibration.

5. The improved method of claim 1, further including mounting the sensor so that the sensor is aligned axially along a length of the shaft of the rod end so that the sensor experiences strain and vibrations that is experienced at the eye of the rod end.

6. An improved method of monitoring a structure, comprising

mounting a sensor inside a cavity of the structure to measure at least one of strain experienced by the structure and vibration experienced by the structure;

mounting a wireless communication unit mounted inside the structure and connecting the wireless communication unit to the sensor to receive data from the sensor and transmit the data to a receiver outside the structure;

mounting a power supply inside the structure and connecting the power supply to the sensor and the wireless communication unit to supply necessary electrical power to the sensor and the communication unit;

further including installing a first system support and a second system support in the structure and positioned in the structure such that the sensor is between the first system support and the second system support to hold the sensor in position so that the sensor senses at least one of strain and vibration.

7. The improved method of claim 6, further including mounting an energy harvester within the structure as part of said power supply.

8. The improved method of claim 7, further including installing a third system support in the structure and positioned in the structure such that the energy harvester is between the second system support and the third system support to hold the energy harvester in position so that the energy harvester can experience at least one of strain and vibration.

9. An improved method of monitoring a structure, comprising

creating a cavity inside a shaft of a rod end, wherein the rod end includes an eye used as a connection point to other structural components and the shaft extends from the eye for connection to a rod;

mounting a sensor inside the cavity of the structure to measure at least one of strain experienced by the structure and vibration experienced by the structure;

mounting a wireless communication unit mounted inside the cavity of the structure and connecting the wireless communication unit to the sensor to receive data from the sensor and transmit the data to a receiver outside the structure; and

mounting a power supply inside the cavity of the structure and connecting the power supply to the sensor and the wireless communication unit to supply necessary electrical power to the sensor and the communication unit.

10. The improved method of claim 9, further including mounting an energy harvester within the cavity of the structure as part of said power supply.

11. The improved method of claim 10, further including installing a first system support and a second system support within the cavity of the structure and positioned in the structure such that the sensor is between the first system support and the second system support to hold the sensor in position so that the sensor senses at least one of strain and vibration.

12. The improved method of claim 11, further including installing a third system support within the cavity of the structure and positioned in the structure such that the energy harvester is between the second system support and the third system support to hold the energy harvester in position so that the energy harvester can experience at least one of strain and vibration.

13. The improved method of claim 9, further including installing a first system support and a second system support within the cavity of the structure and positioned in the structure such that the sensor is between the first system support and the second system support to hold the sensor in position so that the sensor senses at least one of strain and vibration.

14. The improved method of claim 9, further including mounting the sensor so that the sensor is aligned axially along a length of the shaft of the rod end so that the sensor experiences strain and vibrations that is experienced at the eye of the rod end.