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, comprising: at least one sensing wire, the sensing wire adapted to be fit to the stator and adapted to sense temperature of the stator;a lead wire electrically connected to the sensing wire via a tab;a protective body including: a first po
1. A temperature sensor for sensing temperature of a stator, comprising: at least one sensing wire, the sensing wire adapted to be fit to the stator and adapted to sense temperature of the stator;a lead wire electrically connected to the sensing wire via a tab;a protective body including: a first portion having a first thickness surrounding at least a portion of the sensing wire;a second portion having a second thickness, greater than the first thickness, surrounding at least a portion of the lead wire; anda lead step defined as a portion of the protective body between the first portion of the protective body and the second portion of the protective body,wherein the tab is arranged within the protective body and extends from the first portion of the protective body to the second portion of the protective body encompassing the lead step, wherein the tab protects the lead step and the sensing wire 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 includes a platinum sensing wire. 3. The sensor of claim 1, wherein the sensing wire is adapted to be friction fit to a stator. 4. The sensor of claim 1, wherein the protective body comprises a fiberglass body, and wherein a thickness of the first portion of the fiberglass body is approximately 0.04 inches. 5. The sensor of claim 1, wherein the protective body comprises a fiberglass body, and wherein a thickness of the first portion 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 for measuring operating temperature of a motor or generator having a stator, comprising: a stator winding temperature sensor, the sensor including: a first sensor body section housing one or more sensing wires;a second sensor body section having a thickness greater than a thickness of the first sensor body section for housing a lead wire adapted to connect to an external monitoring device;a lead step defined as a third sensor body section arranged between the first sensor body section and the second sensor body section; anda tab connected at a first end thereof to the one or more sensing wires at a first location within the first sensor body section, and connected at a second end thereof to the lead wire at a second location within the second sensor body section such that the tab encompasses the lead step. 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 sensing 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 tab is approximately 2.375 inches. 12. The system of claim 8, wherein a length of the tab is greater than approximately 2.375 inches. 13. The system of claim 8, wherein the one or more sensing wire includes a platinum sensor wire. 14. A method for manufacturing a temperature sensor for sensing temperature of a stator, comprising: surrounding at least a portion of a sensing wire with a first protective body having a first thickness;surrounding at least of portion of a lead wire with a second protective body having a second thickness greater than the first thickness;electrically connecting the sensing wire to the lead wire with an elongated tab;the elongated tab being surrounded with a lead step defined as a third protective body between the first protective body and the second protective body, wherein the elongated tab extends from within the first protective body to within the second protective body such that the tab encompasses the lead step, to protect the sensing wire in a region where the sensor extends over an end of the stator;fitting the sensing wire to the stator to sense temperature of the stator; andelectrically connecting the lead wire to an external monitoring device. 15. The method of claim 14, wherein fitting the sensing wire to the stator includes friction fitting the sensing wire to the stator. 16. The method of claim 14, wherein fitting the sensing wire to the stator includes fitting a platinum sensing wire to the stator. 17. The method of claim 14, wherein surrounding at least a portion of the sensing wire with a first protective body includes surrounding a coil of the sensing wire with a fiberglass body having a thickness of greater than approximately 0.04 inches. 18. The method of claim 14, wherein electrically connecting the lead wire includes electrically connecting an 18 gage lead wire. 19. The method of claim 14, wherein the elongated tab comprises a length of at least approximately 2.375 inches.
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