Embedded Sensor Systems

• US 20160356866A1
• Filed: 06/02/2015
• Published: 12/08/2016
• Est. Priority Date: 06/02/2015
• Status: Abandoned Application

• Current Assignee: Raytheon Technologies Corporation d/b/a RTX (Rtx Corporation)
• Original Assignee: United Technologies Corporation (Rtx Corporation)
• Inventors: Attridge, Paul, Soldner, Nicholas Charles, Mantese, Joseph V., Tokgoz, Cagatay, Wu, Xin, Klecka, Michael A., Zacchio, Joseph
• Application Number:
  US14/728,473
• Publication Number:
  US 20160356866A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G01R 33/0052 Manufacturing aspects; Manufacturing of single devices, i.e. of semiconductor magnetic sensor chips devices based on galvano-magnetic effect or the like H10N50/85

Abstract

A sensing system may comprise a reader device including a primary magnetic coil, and a sensing device including a secondary magnetic coil and a sensing platform configured to acquire sensing data. The sensing system may further include a first part having the sensing device embedded therein. The reader device and the sensing device may be configured to communicate over a non-contact wireless interface using low frequency wireless power transfer.

Claims

1. A sensing system, comprising:

a reader device including a primary magnetic coil;

a sensing device including a secondary magnetic coil and a sensing platform configured to acquire sensing data; and

a first part having the sensing device embedded therein, the reader device and the sensing device being configured to communicate over a non-contact wireless interface using low frequency wireless power transfer.

2. The sensing system of claim 1, wherein the sensing device is embedded in the first part by additive manufacturing.

3. The sensing system of claim 2, wherein the first part is a metallic part.

4. The sensing system of claim 3, wherein the reader device is embedded in a second part.

5. The sensing system of claim 3, wherein the low frequency wireless power transfer is provided by a magnetic flux linkage between the primary magnetic coil and the secondary magnetic coil, and wherein the magnetic flux linkage penetrates through the first part.

6. The sensing system of claim 4, wherein the first part is a non-stationary part, and wherein the second part is a stationary part.

7. The sensing system of claim 3, wherein the reader device is configured to power the sensing device through the low frequency wireless power transfer.

8. The sensing system of claim 7, wherein the low frequency wireless power transfer permits wireless data transfer between the sensing device and the reader device.

9. The sensing system of claim 8, wherein the sensing device is configured to transmit the sensing data to the reader device by the low frequency wireless power transfer.

10. The sensing system of claim 9, wherein the sensing platform includes a printed circuit board (PCB) supporting a plurality of integrated circuits (ICs), and wherein at least one of the ICs is a sensor.

11. The sensing system of claim 10, wherein the sensor is configured to detect at least one property associated with the first part, and wherein the at least one property is selected from temperature, g-force, strain, and angular position.

12. A sensing system, comprising:

a reader device including a primary magnetic coil;

a sensing device including a secondary magnetic coil and a sensing platform configured to acquire sensing data;

a stationary part supporting the reader device; and

a rotatable part having the sensing device embedded therein, the reader device and the sensing device being configured to communicate over a non-contact wireless interface using low frequency wireless power transfer.

13. The sensing system of claim 12, wherein the sensing device is embedded in the rotatable part by additive manufacturing.

14. The sensing system of claim 13, wherein the rotatable part is a metallic part.

15. The sensing system of claim 14, wherein the reader device is embedded in the stationary part by additive manufacturing.

16. The sensing system of claim 14, wherein the low frequency wireless power transfer is provided by a magnetic flux linkage between the primary magnetic coil and the secondary magnetic coil, and wherein the magnetic flux linkage penetrates through the stationary part and the rotatable part.

17. The sensing system of claim 16, wherein the reader device is powered by a battery or with hard wires.

18. The sensing system of claim 17, wherein the reader device is configured to power the sensing device through the low frequency wireless power transfer.

19. The sensing system of claim 18, wherein the low frequency wireless power transfer permits wireless data transfer between the sensing device and the reader device.

20. A method for manufacturing a sensor system, comprising:

inserting a sensing device in a cavity of a part, the sensing device including a secondary magnetic coil and a sensing platform configured to acquire sensing data; and

applying a cover over the cavity and the sensing device by additive manufacturing to provide an embedded sensing device;

wherein a reader device and the embedded sensing device communicate over a non-contact wireless interface using low frequency wireless power transfer.