The present invention relates to a temperature detection assembly (10) for a cooking pot (24). Said temperature detection assembly (10) comprises a straight and elongated bar (12), at least one SAW (surface acoustic wave) temperature sensor (10) arranged inside a lower end portion of the bar (12), a
The present invention relates to a temperature detection assembly (10) for a cooking pot (24). Said temperature detection assembly (10) comprises a straight and elongated bar (12), at least one SAW (surface acoustic wave) temperature sensor (10) arranged inside a lower end portion of the bar (12), a sensor antenna (16) connected to an upper end of the bar (12), and at least one handle (18) connected to the upper end of the bar (12). The SAW temperature sensor (10) or a heat conducting element connected to said SAW temperature sensor (10) is spaced from a lower end of the bar (12) by a predetermined distance, wherein a non-heat-conducting material is arranged between the SAW temperature sensor (10) or the heat conducting element, respectively, and the lower end of the bar (12). Further, the present invention relates to a lid (20) for a cooking pot (24), wherein the lid (20) is provided for receiving a temperature detection assembly (10) with a straight and elongated bar (12). The lid (20) comprises an elongated guide tube (22) for receiving the bar (12) of the temperature detection assembly (10), wherein an outer diameter of the bar (12) is marginally smaller than an inner diameter the guide tube (22).
대표청구항▼
1. A temperature detection assembly (10) for a cooking pot (24), wherein said temperature detection assembly (10) comprises: a straight and elongated bar (12), at least one SAW (surface acoustic wave) temperature sensor (14) arranged inside a lower end portion of the bar (12), a sensor antenna (16)
1. A temperature detection assembly (10) for a cooking pot (24), wherein said temperature detection assembly (10) comprises: a straight and elongated bar (12), at least one SAW (surface acoustic wave) temperature sensor (14) arranged inside a lower end portion of the bar (12), a sensor antenna (16) connected to an upper end of the bar (12), and at least one handle (18) connected to the upper end of the bar (12), wherein the SAW temperature sensor (14) or a heat conducting element connected to said SAW temperature sensor (14) is spaced from a lower end of the bar (12) by a predetermined distance, wherein a non-heat-conducting material extends from the SAW temperature sensor (14) or the heat conducting element, respectively, and to the lower end of the bar (12), wherein the non-heat-conducting material is arranged at a lower tip of the bar (12), wherein the distance between the SAW temperature sensor (14) or the heat conducting element connected to said SAW temperature sensor (14), respectively, and the lower end of the bar (12) is between 5 mm and 20 mm. 2. The temperature detection assembly (10) according to claim 1, wherein the sensor antenna (16) and the handle (18) are connected to the upper end of the bar (12) via a bowed section (26). 3. The temperature detection assembly (10) according claim 2, wherein a flexible printed circuit board and/or a coax cable is arranged inside the bowed section (26). 4. The temperature detection assembly (10) according to claim 2, wherein an outer portion of the bowed section (26) is made of silicone. 5. The temperature detection assembly (10) according to claim 1, wherein the sensor antenna (16), the handle (18) and/or the bowed section (26) are covered by a food safe and heat resistant material, in particular by a silicone material. 6. The temperature detection assembly (10) according to claim 1, wherein the bar (12) is made of stainless steel. 7. The temperature detection assembly (10) according to claim 1, wherein the distance between the SAW temperature sensor (14) or the heat conducting element connected to said SAW temperature sensor (14), respectively, and the lower end of the bar (12) is 10 mm. 8. The temperature detection assembly (10) according to claim 1, wherein the bar (12) is a single-piece part and has a length between 10 cm and 20 cm, in particular 16 cm. 9. The temperature detection assembly (10) according to claim 1, wherein the bar (12) is a telescopic bar with a variable length. 10. The temperature detection assembly (10) according to claim 9, wherein the length of the telescopic bar (12) is variable between 8 cm and 16 cm. 11. The temperature detection assembly (10) according claim 1, wherein at least one distance element is arranged besides and/or enclosing the sensor antenna (16), so that there is a minimum distance between the antenna (16) and the metal of the cooking pot (24) and/or the sensor antenna (16) has a defined direction to the wall of the cooking pot (24). 12. A temperature detection system for a cooking pot (24), wherein said temperature detection system includes a temperature detection assembly (10) and a lid (20) for the cooking pot (24), wherein the lid (20) is provided for receiving the temperature detection assembly (10), wherein the temperature detection system includes the temperature detection assembly (10) according to claim 1 and the lid (20) comprises an elongated guide tube (22) for receiving the bar (12) of the temperature detection assembly (10), wherein an inner diameter of the guide tube (22) is marginally bigger than an outer diameter of the bar (12). 13. A temperature detection system according to claim 12, wherein the temperature detection system is provided for at least one ISM (industrial, scientific and medical) band. 14. A temperature detection system according to claim 12, wherein the temperature detection system is adaptable to at least one certain ISM band. 15. A cooking hob including a control unit, wherein the cooking hob is provided for a wireless connection to the temperature detection assembly (10) according to claim 1 and/or to a temperature detection system including a temperature detection assembly with a straight and elongated bar (12) which comprises at least one SAW temperature sensor (14), and a lid (20) for the cooking pot (24), wherein the lid (20) is provided for receiving the temperature detection assembly (10), and the lid (20) comprises an elongated guide tube (22) for receiving the elongated bar (12) of the temperature detection assembly (10), wherein an inner diameter of the guide tube (22) is marginally bigger than an outer diameter of the bar (12), wherein the elongated guide tube (22) extends downwardly from a top surface of the lid (20) and is configured to guide the insertion of the bar (12) into the cooking pot (24). 16. A cooking hob according to claim 15, wherein the cooking hob comprises a reader antenna provided for the wireless connection to the sensor antenna (16) of the temperature detection assembly (10), and a reader electrically connected to the control unit of the cooking hob. 17. A lid (20) for a cooking pot (24), wherein the lid (20) is provided for receiving a temperature detection assembly (10) with a straight and elongated bar (12) which comprises at least one SAW temperature sensor (14), wherein the lid (20) comprises an elongated guide tube (22) for receiving the bar (12) of the temperature detection assembly (10), wherein an inner diameter of the elongated guide tube (22) is marginally bigger than an outer diameter of the bar (12), wherein the elongated guide tube (22) extends downwardly from a top surface of the lid (20) and is configured to guide the insertion of the bar (12) into the cooking pot (24), wherein a non-heat-conducting material is arranged at a lower tip of the bar (12). 18. The lid (20) according to claim 17, wherein the longitudinal axis of the guide tube (22) extends perpendicular to the plane of the lid (20). 19. The lid (20) according to claim 17, wherein a shorter portion of the guide tube (22) extends above the lid (20), while a longer portion of the guide tube (22) extends below the lid (20). 20. The lid (20) according to claim 17, wherein the lid (20) comprises a border (28), wherein the border (28) encloses a circular disk of the lid (20) and extends downwards.
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이 특허에 인용된 특허 (3)
Gaynor, Jim; Olson, Yvonne; Steinman, Adam, Slow cooker and method of operation.
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