There is disclosed a sensor assembly and a method of sensing. The sensor assembly is for sensing a property associated with a structure of interest. The sensor assembly includes an elongate member constructed and arranged so as to be capable of assuming a structure-engaging form in which it is resil
There is disclosed a sensor assembly and a method of sensing. The sensor assembly is for sensing a property associated with a structure of interest. The sensor assembly includes an elongate member constructed and arranged so as to be capable of assuming a structure-engaging form in which it is resiliently biased such that the member can engage with and grip the structure along at least part of the length of the member, and, at least one sensor supported by the elongate member.
대표청구항▼
1. A sensor assembly for sensing a property associated with a structure of interest, the assembly comprising: an elongate member constructed and arranged to have a structure-engaging form, wherein, in the structure-engaging form, the elongate member is resiliently biased such that the member engages
1. A sensor assembly for sensing a property associated with a structure of interest, the assembly comprising: an elongate member constructed and arranged to have a structure-engaging form, wherein, in the structure-engaging form, the elongate member is resiliently biased such that the member engages with and grips said structure along at least part of the length of the member; and,at least one sensor supported by the elongate member, wherein the member is constructed and arranged to be progressively flattenable and windable about an axis extending transversely to the longitudinal extent of the member to form a coil so as to be reversibly configurable between a coiled form and an extended form, wherein the extended form is the structure-engaging form. 2. A sensor assembly according to claim 1, wherein the member is formed from a sheet-like material having first and second longitudinal edges that is folded in on itself longitudinally to form a tube or a longitudinal section of a tube when the member is in the structure-engaging form. 3. A sensor assembly according to claim 1, wherein in transverse cross section the structure-engaging form of the member subtends an angle of at least 180 degrees. 4. A sensor assembly according to claim 1, wherein in transverse cross section the structure-engaging form of the member subtends an angle of about 360 degrees. 5. A sensor assembly according to claim 1, wherein in transverse cross section the structure-engaging form of the member subtends an angle of more than 360 degrees. 6. A sensor assembly according to claim 1, wherein in transverse cross section the structure-engaging form of the member is generally curved. 7. A sensor assembly according to claim 1, wherein both longitudinal opposed ends of the member are open ended so that the member can engage with and grip said structure along the full length of the member. 8. A sensor assembly according to claim 1, wherein the member is constructed and arranged so that the sensor assembly follows bending of the structure of interest whilst maintaining its grip on the structure. 9. A sensor assembly according to claim 1, wherein the member is formed from a bistable material having a first stable form, wherein in the first stable form the member is coiled and generally flat in cross section, and a second stable form, wherein in the second stable form the member is extended and has the structure-engaging form. 10. A sensor assembly according to claim 1, wherein the member is constructed and arranged to be reversibly attachable to said structure. 11. A sensor assembly according to claim 1, wherein the at least one sensor comprises a fibre optic sensor which extends along at least a portion of the member. 12. A sensor assembly according to claim 1, wherein the member is formed from a laminate of at least two layers and said sensor is positioned between two of the layers. 13. A sensor assembly according to claim 1, comprising electronic apparatus in communication with the sensor arranged to provide at least one of: i) a data logging system to allow readings from the sensor to be logged system and ii) a data transmitting system to allow readings from the sensor to be transmitted to remote receiving apparatus. 14. In combination, deployment apparatus and a sensor assembly for sensing a property associated with a structure of interest, the sensor assembly comprising:an elongate member constructed and arranged to have a structure-engaging form, wherein, in the structure-engaging form, the elongate member is resiliently biased such that the member engages with and grips said structure along at least part of the length of the member; andat least one sensor supported by the elongate member, the deployment apparatus comprising:a gripper for gripping said structure of interest;a holder for holding the sensor assembly when coiled;actuating means for in use advancing the deployment apparatus relative to the structure; and,a guide member for progressively guiding the sensor assembly from being coiled to being engaged to the structure as the deployment apparatus advances. 15. A combination according to claim 14, comprising a clamp dispenser arranged to automatically apply a clamp to the member to attach to attach the member to the structure at one or more points along the length of the member to keep the sensor assembly in position longitudinally on the structure. 16. A method of sensing a property associated with a structure of interest using a sensor assembly, the method comprising: engaging an elongate member of the sensor assembly with the structure of interest, the elongate member being resiliently biased such that the member engages with and grips the structure along at least part of the length of the member, wherein the member is constructed and arranged so that the member is progressively flattenable and windable about an axis extending transversely to the longitudinal extent of the member to form a coil so as to be reversibly configurable between a coiled form and an extended form;wherein engaging the elongate member with the structure of interest includes progressively unwinding the sensor assembly from its coiled form and engaging the extended portion with the structure; and,sensing a property associated with the structure with at least one sensor supported by the elongate member. 17. A method according to claim 16, wherein engaging the member with the structure comprises progressively engaging the member with the structure along the length of the member. 18. A method according to claim 16, wherein the member is formed from a bistable material having a first stable form when it is in the coiled form and a second stable form when it is in the extended form. 19. A method according to claim 16, wherein the member is constructed and arranged to allow the sensor assembly to follow bending of the structure of interest whilst maintaining its grip on the structure. 20. A method according to claim 16, wherein engaging the member with the structure comprises: compressing the member;introducing the compressed member into a hollow portion of the structure; and,allowing the resiliency of the member to cause the member to engage with and grip the inside surface of the structure. 21. A method according to claim 16, comprising securing the sensor assembly to the structure at one or more points along the length of the member to keep the sensor assembly in position longitudinally on the structure. 22. A method according to claim 16, comprising removing the sensor assembly from the structure. 23. A method according to claim 22, comprising redeploying the sensor assembly at a different point on the structure or on another structure. 24. A method according to claim 16, where the step of sensing with the sensor comprises at least one of: sensing temperature;sensing pressure;sensing vibration;sensing stress; andsensing strain of the structure. 25. A method of sensing a property associated with a structure of interest using a sensor assembly, the method comprising: engaging an elongate member of the sensor assembly with the structure of interest, the elongate member being resiliently biased such that the member engages with and grips the structure along at least part of the length of the member, wherein the member is formed from a sheet-like material having first and second longitudinal edges and when engaged with the structure the member forms a tube or a longitudinal section of a tube, wherein engaging the member with the structure comprises:separating the longitudinal edges of the member;moving the sensor assembly into position next to the structure; and,allowing the resiliency of the member to cause the member to engage with and grip the outside surface of the structure; and,sensing a property associated with the structure with at least one sensor supported by the elongate member.
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이 특허에 인용된 특허 (5)
Carome Edward F. (Cleveland OH), Fiber optic sensor with dual condition-responsive beams.
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