INFRARED TEMPERATURE MAGNET WITH RFID ANTENNA

• US 20150177072A1
• Filed: 12/20/2013
• Published: 06/25/2015
• Est. Priority Date: 12/20/2013
• Status: Abandoned Application

• Current Assignee: ABet SKF
• Original Assignee: ABet SKF
• Inventors: Murphy, Jonathan D., Calderwood, Bryan Leslie
• Application Number:
  US14/136,643
• Publication Number:
  US 20150177072A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G01D 11/24 Housings ; Casings for instruments
• CPC Class Codes: G01D 21/02 Measuring two or more variables by means not covered by a single other subclass
• CPC Class Codes: G01J 5/02 Constructional details

Abstract

A sensory head for sensing the temperature and vibration emitted from a machine housing having an RFID tag disposed thereon is provided. The sensory head includes a body for housing the sensory head and at least one digital input/output power contact. The sensory head further provides a combination power and control circuit for powering and for controlling function of the sensory head, the combination power and control circuit electrically connected to the at least one contact and an infrared temperature sensor for measuring the sensed temperature of the machine housing, the infrared temperature sensor in electrical communication with the combination power and control circuit. Finally, the sensory head provides an RFID antenna for reading and identifying the RFID tag attached to the machine housing, the RFID antenna electrically connected with the with the combination power and control circuit and at least one magnet.

Claims

1. A sensory head 100 for sensing the temperature and vibration emitted from a machine housing having an RFID tag disposed thereon, the sensory head comprising;

a body 40 for housing the sensory head 100;

at least one digital input/output power contact 10 for delivering power to the sensory head 100 and for providing at least one of a digital Input signal into the device 100 and a digital output signal out of the sensory head 100;

a combination power and control circuit 50 for powering the control circuit and for controlling function of the sensory head 100, the combination power and control circuit 50 in electrical communication with the at least one contact 10;

an infrared temperature sensor 120 for measuring the sensed temperature of the machine housing, the infrared temperature sensor 120 in electrical communication with the combination power and control circuit 50;

an RFID antenna 110 for reading and identifying the RFID tag attached to the machine housing, the RFID antenna 110 electrically connected with the with the combination power and control circuit 50;

at least one magnet 80 for magnetically attaching the sensory head 100 to the machine housing;

wherein

transmission of machinery vibration from the machine housing through the sensory head is enabled when the sensory head is magnetically attached to the machine housing, and wherein

the infrared temperature sensor 120 takes a temperature measurement of the machine housing when the sensory head is installed proximate to the RFID tag.

2. The sensory head according to claim 1, wherein the body 40 further comprises a threaded stud 46 for mounting the device.

3. The sensory head according to claim 2, further comprises a system ground connection 48 integrated into the mounting stud 46.

4. The sensory head according to claim 1, further comprising at least one mounting foot 90 for transmitting the magnetic flux emitted from the at least one magnet 80 to the machine housing, the magnetic foot being fabricated from a high permeability material.

5. The sensory head according to claim 1, wherein the RFID antenna further comprises one of an RFID spiral antenna or a wound inductor antenna mounted on an antenna plate 70.

6. The sensory head according to claim 5, further comprising at least one RFID antenna connection (112, 114) that connects the RFID antenna through antenna plate 70 to the combination power and control circuit 50.

7. The sensory head according to claim 1, wherein the antenna 110 and mounting plate 70 are covered with a resin that protects and secures the antenna with the sensory head 100, the resin not extending beyond a base 43 of the device body 40.

8. The sensory head according to claim 1, wherein the infrared temperature sensor 120 further comprises a hood 130 that shields the infrared temperature sensor 120.

9. The sensory head according to claim 8, further comprising an infrared/antenna spacer 60 for mounting and locating the infrared sensor 120 and sensor hood 130 within the device body 40.

10. The sensory head according to claim 1, wherein the at least one digital input, digital output and power contact further comprises three semi-circular contact rings and an isolator body, the isolator body separating the three semi-circular contact rings from coming into contact with each other, the isolator body and three semi-circular rings being potted with a resin.

11. The sensory head according to claim 1, wherein the combination power and control circuit is a printed circuit board (PCB).

12. The sensory head according to claim 11, wherein the device ground is in electrical communication with the printed circuit board.

13. The sensory head according to claim 12, wherein the at least one magnet further comprises two magnets that insert into slots disposed within the printed circuit board.

14. The sensory head according to claim 1, wherein the machine housing further comprises a bearing housing.

15. A sensing system providing a temperature sensory head in electro-mechanical communication with a mobile data collector, the temperature sensory head for sensing the temperature of a machine housing having an RFID tag disposed thereon, the temperature sensory head comprises;

a body for housing the device, the body having a threaded recess for mounting, the threaded recess for providing electro mechanical communication to and from the device;

a digital input/output power contact for delivering power to the device and for providing digital I/O signal communication into and out of the device;

a combination power and control circuit for powering the control circuit and for controlling function of the device;

an infrared temperature sensor for measuring the sensed temperature of the machine or bearing housing;

an RFID antenna for reading and identifying the RFID tag attached to the machine or bearing housing;

a magnet for magnetically attaching the device to the machine or bearing housing;

the mobile data collector comprising;

a threaded stud for mounting the threaded recess of the temperature sensory head to the mobile data collector; and

wherein

when the device is installed proximate the RFID tag the device initiates an infrared sensor measurement of the bearing housing and transmits the measurement back to the mobile data collector for processing.

16. A temperature and vibration sensing system including a sensory head in electro-mechanical communication with a mobile data collector, the sensory head for sensing the temperature of and vibration emitted from a machine housing having an RFID tag disposed thereon, the sensory head comprises;

a body for housing the device, the body having a threaded recess for mounting, the threaded recess for providing electro mechanical communication to and from the device;

a digital input/output power contact for delivering power to the device and for providing digital I/O signal communication into and out of the device;

a combination power and control circuit for powering the control circuit and for controlling function of the device;

an infrared temperature sensor for measuring the sensed temperature of the machine or bearing housing;

an RFID antenna for reading and identifying the RFID tag attached to the machine or bearing housing;

a magnet for magnetically attaching the device to the machine or bearing housing;

the mobile data collector comprising;

a threaded stud for mounting the threaded recess of the temperature sensory head to the mobile data collector; and

wherein

when the device is installed proximate the RFID tag the device initiates an infrared sensor measurement of the bearing housing and transmits the measurement back to the mobile data collector for processing.

17. The temperature and vibration sensing system according to claim 16, wherein the at least one contact ring further provides four semi-circular contact rings 10, and wherein the four contact rings support electrical communication for the power, the digital input/output and an antenna connection.