System and method for automatically adjusting gas sensor settings and parameters
First Claim
1. A system for configuring a sensor for detecting the presence of a gas, the system comprising:
- a transmitter portion including a transmitter processor;
a sensor portion including a sensor processor, the sensor processor being in communication with the transmitter processor using digital communication; and
a variable voltage supply associated with the transmitter portion and the sensor portion, the variable voltage supply including a plurality of potentiometers, each of the plurality of potentiometers configured to adjust an operating voltage that is output to the sensor portion for operation of the sensor;
the sensor processor being configured to communicate a stored voltage value for operation of the sensor to the transmitter processor using the digital communication; and
the transmitter processor being configured to set at least one of the plurality of potentiometers to at least one value to provide, to the sensor portion, an operating voltage for operation of the sensor that corresponds to the the stored voltage value.
2 Assignments
0 Petitions
Accused Products
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.
25 Citations
10 Claims
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1. A system for configuring a sensor for detecting the presence of a gas, the system comprising:
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a transmitter portion including a transmitter processor; a sensor portion including a sensor processor, the sensor processor being in communication with the transmitter processor using digital communication; and a variable voltage supply associated with the transmitter portion and the sensor portion, the variable voltage supply including a plurality of potentiometers, each of the plurality of potentiometers configured to adjust an operating voltage that is output to the sensor portion for operation of the sensor; the sensor processor being configured to communicate a stored voltage value for operation of the sensor to the transmitter processor using the digital communication; and the transmitter processor being configured to set at least one of the plurality of potentiometers to at least one value to provide, to the sensor portion, an operating voltage for operation of the sensor that corresponds to the the stored voltage value. - View Dependent Claims (2, 3, 4, 5)
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6. A method for adjusting sensor excitation voltage, comprising:
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receiving, at a transmitter portion including a transmitter processor, a stored voltage value for operation of the sensor from a sensor processor of a sensor portion of a gas sensing system that is in digital communication with the transmitter portion; providing, at the transmitter portion, an operating voltage corresponding to the stored voltage value to the sensor portion; receiving, at the transmitter portion, the stored voltage value indicating a voltage for operation of the sensor portion; and automatically adjusting, at the transmitter portion, the operating voltage provided to the sensor portion using at least one of a first and second potentiometers of a plurality of potentiometers of a variable voltage supply. - View Dependent Claims (7)
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8. A universal gas sensor/transmitter unit, comprising:
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a transmitter portion having a recess configured to engage a sensor portion configured to sense gas, the transmitter portion including a transmitter processor and at least one power supply circuit for providing adjustable power to the sensor portion when the sensor portion is engaged with the recess of the transmitter portion; the sensor portion including a sensor processor configured to communicate a stored voltage value for operation of the sensor to the transmitter processor using digital communication; and the power supply circuit including a plurality of potentiometers controllable by the transmitter processor to automatically adjust the power supplied to the sensor portion for operation of the sensor, the transmitter processor configured to set at least one of the plurality of potentiometers to a value to provide, to the sensor portion, an operating voltage for operation of the sensor that corresponds to the stored voltage value. - View Dependent Claims (9, 10)
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Specification