Disclosed herein, among other things, is a stator winding temperature sensor. According to an embodiment, the sensor includes at least one sensing wire coil adapted to be connected to a stator. The sensor also includes a body, including a core material surrounding at least a portion of the sensing w
Disclosed herein, among other things, is a stator winding temperature sensor. According to an embodiment, the sensor includes at least one sensing wire coil adapted to be connected to a stator. The sensor also includes a body, including a core material surrounding at least a portion of the sensing wire coil, and a laminate material over the core material. The body has a thickness adapted to protect the sensing wire coil. The sensor includes a lead wire adapted to connect to an external monitoring device. The sensing wire coil is electrically connected to the lead wire at a lead step portion of the sensor. In addition, the sensor includes a tab extending from the lead wire and encompassing the lead step. The tab protects the lead step and the sensing wire coil in a region where the sensor extends over an end of the stator.
대표청구항▼
1. A temperature sensor for sensing temperature of a stator and communicating the sensed temperature to an external monitoring device, comprising: at least one sensing wire coil, the sensing wire coil adapted to be fit to the stator and adapted to sense temperature of the stator;a fiberglass body, i
1. A temperature sensor for sensing temperature of a stator and communicating the sensed temperature to an external monitoring device, comprising: at least one sensing wire coil, the sensing wire coil adapted to be fit to the stator and adapted to sense temperature of the stator;a fiberglass body, including: a core material surrounding at least a portion of the sensing wire coil; andan epoxy laminate material over the core material;a lead wire adapted to connect to the external monitoring device;a lead step where the sensing wire coil is electrically connected to the lead wire; anda tab extending from the lead wire and encompassing the lead step, wherein the tab protects the lead step and the sensing wire coil in a region where the sensor extends over an end of the stator. 2. The sensor of claim 1, wherein the at least one sensing wire coil includes a platinum sensing wire coil. 3. The sensor of claim 1, wherein the sensing wire coil is adapted to be friction fit to a stator. 4. The sensor of claim 1, wherein a thickness of the fiberglass body is approximately 0.04 inches. 5. The sensor of claim 1, wherein a thickness of the fiberglass body is greater than approximately 0.04 inches. 6. The sensor of claim 1, wherein the lead wire includes an 18 gage lead wire. 7. The sensor of claim 1, wherein a length of the tab is approximately 2.375 inches. 8. A system using an external monitoring device for measuring operating temperature of a motor or generator having a stator, comprising: a stator winding temperature sensor friction fit to the stator, the sensor including a sensor body housing one or more sensor wires;a lead wire electrically connected to the sensor wires and adapted to connect to the external monitoring device; andan elongated tab extending from the lead wire and encompassing a portion of the sensor wires in a region where the sensor wires extend over an end of the stator. 9. The system of claim 8, wherein the stator winding temperature sensor is adapted to measure operating temperature of the stator based on a sensed change in resistance in the one or more sensor wires. 10. The system of claim 8, wherein the lead wire includes an 18 gage lead wire. 11. The system of claim 8, wherein a length of the elongated tab is approximately 2.375 inches. 12. The system of claim 8, wherein a length of the elongated tab is greater than approximately 2.375 inches. 13. The system of claim 8, wherein the at least one sensor wire includes a platinum sensor wire. 14. The system of claim 8, wherein the external monitoring device includes a personal computer. 15. A method for manufacturing a temperature sensor for sensing temperature of a stator, comprising: fitting a sensing wire coil to the stator to sense temperature of the stator;surrounding at least a portion of the sensing wire coil with a fiberglass body having a core material and an epoxy laminate material over the core material;electrically connecting a lead wire to an external monitoring device;electrically connecting the sensing wire coil to the lead wire at a lead step; andproviding an elongated tab extending from the lead wire and encompassing the lead step to protect the lead step and the sensing wire coil in a region where the sensor extends over an end of the stator. 16. The method of claim 15, wherein fitting a sensing wire coil to the stator includes friction fitting the sensing wire coil to the stator. 17. The method of claim 15, wherein fitting a sensing wire coil to the stator includes fitting a platinum sensing wire coil to the stator. 18. The method of claim 15, wherein surrounding at least a portion of the sensing wire coil with a fiberglass body includes surrounding the coil with a fiberglass body having a thickness of greater than approximately 0.04 inches. 19. The method of claim 15, wherein electrically connecting a lead wire includes electrically connecting an 18 gage lead wire. 20. The method of claim 15, wherein providing an elongated tab includes providing a tab having a length of at least approximately 2.375 inches.
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