Industrial roll with multiple sensor arrays

摘要

An industrial roll includes: a substantially cylindrical core having an outer surface; a polymeric cover circumferentially overlying the core outer surface; and a sensing system. The sensing system includes: a first signal carrying member serially connecting a first set of sensors; a second signal carrying member serially connecting a second set of sensors; and a signal processing unit operatively associated with the first and second signal carrying members and configured to selectively monitor the signals provided by the first and second set of sensors.

主权项

1. An industrial roll, comprising:
a substantially cylindrical core having an outer surface; a polymeric cover circumferentially overlying the core outer surface; and a sensing system comprising: a first signal carrying member serially connecting a first set of sensors at least partially embedded in the polymeric cover and arranged in a first helical configuration defined by a first helix angle around the roll, wherein the sensors are configured to sense an operating parameter experienced by the roll and provide signals related to the operating parameter, and wherein the first helix angle is defined by an angle between a circumferential position of a first endmost sensor in the first set of sensors and a circumferential position of a second endmost sensor in the first set of sensors relative to the axis of rotation of the roll; a second signal carrying member spaced apart from the first signal carrying member, the second signal carrying member serially connecting a second set of sensors at least partially embedded in the polymeric cover and arranged in a second helical configuration defined by a second helix angle around the roll, wherein the sensors are configured to sense an operating parameter experienced by the roll and provide signals related to the operating parameter, and wherein the second helix angle is defined by an angle between a circumferential position of a first endmost sensor in the second set of sensors and a circumferential position of a second endmost sensor in the second set of sensors relative to the axis of rotation of the roll; and a signal processing unit operatively associated with the first and second signal carrying members, wherein the signal processing unit is configured to selectively monitor the signals provided by the first and second set of sensors; wherein the first signal carrying member bypasses the sensors of the second sensor set, and wherein the second signal carrying member bypasses the sensors of the first sensor set; the industrial roll in combination with a first mating structure positioned relative to the industrial roll to form a first nip therewith and a second mating structure positioned relative to the industrial roll to form a second nip therewith, wherein the sensing system is configured such that no more than one sensor of the first sensor set is positioned in the first nip and the second nip simultaneously and no more than one sensor of the second sensor set is positioned in the first nip and the second nip simultaneously.