公开(公告)号：US20190187113A1

公开(公告)日：2019-06-20

申请号：US16208338

申请日：2018-12-03

Applicant: SCOTT TECHNOLOGIES, INC.

Inventor： Stephen Edwin Mealy, Jr. ,  Fatos Adami ,  Nicholas Anthony Deblasio ,  Byron Eugene McLendon ,  Keli Chalfant Merkel ,  Edward Russell Propst, Jr.

IPC: G01N33/00 ,  G01D18/00 ,  G01D4/00

CPC classification number: G01N33/0031 ,  G01D4/004 ,  G01D18/002 ,  G01N33/0006 ,  G01N33/0009 ,  G01N33/007

Abstract: An automatic sensor excitation voltage adjustment feature, a multi-range concentration feature, a single calibration feature and a barrier circuit feature. The automatic sensor excitation voltage adjustment feature includes a transmitter having a transmitter microprocessor that provides an initial voltage to a sensor having a sensor microprocessor. As the voltage changes a correction signal is relayed from the sensor microprocessor to the transmitter microprocessor. The correction signal is used to adjust the voltage applied to the sensor. The multi-range concentration sensor feature includes an amplifier associated with the senior/micro-processor to create gain settings used to optimize sensor resolution by changing a gain value for the sensor. This enables use of a single sensor for a variety of different concentration ranges. The single calibration feature enables a sensor to be calibrated at a single gas concentration value, and thereafter be used for a variety of different concentration range applications.

公开(公告)号：US09417223B2

公开(公告)日：2016-08-16

申请号：US14791748

申请日：2015-07-06

Applicant: Scott Technologies, Inc.

Inventor： Fatos Adami ,  Nicholas Anthony DeBlasio ,  Byron Eugene McLendon ,  Stephen Edwin Mealy, Jr. ,  Keli Chalfant Merkel ,  Edward Russell Propst, Jr.

IPC: G01N33/00 ,  G01D4/00 ,  G01D18/00

CPC classification number: G01N33/0031 ,  G01D4/004 ,  G01D18/002 ,  G01N33/0006 ,  G01N33/0009 ,  G01N33/007

Abstract: A system and method are disclosed including an automatic sensor excitation voltage adjustment feature, a multi-range concentration feature, and a single calibration feature. The automatic sensor excitation voltage adjustment feature may include a transmitter having an associated microprocessor that provides an initial voltage to an associated sensor. The sensor may include a microprocessor, and as the voltage changes a correction signal may be relayed from the sensor microprocessor to the transmitter microprocessor. The correction signal may be used by the transmitter microprocessor to adjust the voltage applied to the sensor. The multi-range concentration sensor feature may include an amplifier associated with the sensor/microprocessor to create gain settings used to optimize sensor resolution by changing a gain value associated with the sensor. This, in turn, enables a single sensor to be used for a variety of different concentration ranges, as desired by a user. The single calibration feature enables a sensor to be calibrated at a single gas concentration value, and thereafter be used for a variety of different concentration range applications. Other embodiments are described and claimed.

公开(公告)号：US10132784B2

公开(公告)日：2018-11-20

申请号：US14791764

申请日：2015-07-06

Applicant: Scott Technologies, Inc.

Inventor： Stephen Edwin Mealy, Jr. ,  Fatos Adami ,  Nicholas Anthony DeBlasio ,  Byron Eugene McLendon ,  Keli Chalfant Merkel ,  Edward Russell Propst, Jr.

IPC: G01N33/00 ,  G01D4/00 ,  G01D18/00

Abstract: An automatic sensor excitation voltage adjustment feature, a multi-range concentration feature, a single calibration feature and a barrier circuit feature. The automatic sensor excitation voltage adjustment feature includes a transmitter having a transmitter microprocessor that provides an initial voltage to a sensor having a sensor microprocessor. As the voltage changes a correction signal is relayed from the sensor microprocessor to the transmitter microprocessor. The correction signal is used to adjust the voltage applied to the sensor. The multi-range concentration sensor feature includes an amplifier associated with the sensor/microprocessor to create gain settings used to optimize sensor resolution by changing a gain value for the sensor. This enables use of a single sensor for a variety of different concentration ranges. The single calibration feature enables a sensor to be calibrated at a single gas concentration value, and thereafter be used for a variety of different concentration range applications. The barrier circuit feature provides for intrinsically safe power and communication signals to the sensor.