System for checking a correct mounting of a sensor
AssigneeLiebherr-Components Colmar SAS
InventorBryan Ferrari
Life of this patent
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Abstract
The present disclosure relates to a system for checking a correct mounting of a plurality of sensors, in particular of sensors mounted in an engine system, comprising a controller configured to communicate with the plurality of sensors, wherein the controller is configured to control a switching on or off of the power supply to at least a sub-group of the sensors and to check whether a sensor whose power supply was switched on is communicating, wherein the system is configured such that at least two sensors are connected to a common power supply port and are therefore powered on or off at the same time, wherein the at least two sensors comprise at least two different types of sensors.
Claims19
A system for checking a correct mounting of a plurality of sensors, comprising a controller configured to communicate with the plurality of sensors,
- wherein at least a first sub-group of the plurality of sensors is connected to a power supply line via a first switch,
- wherein the controller is configured to control the first switch for switching on or off of a power supply to the first sub-group and to check whether a sensor out of the first sub-group whose power supply was switched on by the controller controlling the first switch is communicating in order to verify the correct mounting of the sensor,
- wherein the system is configured such that at least two sensors are connected to a common power supply port and are therefore powered on or off at the same time, wherein the at least two sensors comprise at least two different types of sensors,
- wherein the system comprises at least a second switch controlled by the controller, wherein at least a second sub-group of the plurality of sensors is connected to the power supply line via the second switch,
- wherein the controller is configured to consecutively check the first and the second sub-group of the plurality of sensors by sequentially performing the following steps in order to avoid interference of the first sub-group of the plurality of sensors with the second sub-group of the plurality of sensors;
- switching on the first switch,
- checking whether the first sub-group of the plurality of sensors connected to the power supply line via the first switch are communicating,
- switching off the first switch,
- switching on the second switch, and
- checking whether the second sub-group of the plurality of sensors connected to the power supply line via the second switch are communicating.
A system for checking a correct mounting of a plurality of sensors, comprising a controller configured to communicate with the plurality of sensors,
- wherein the controller is configured to control a switching on or off of a power supply to at least a sub-group of the sensors and to check whether a sensor whose power supply was switched on is communicating,
- wherein the system is configured such that at least two sensors are connected to a common power supply port and are therefore powered on or off at the same time, wherein the at least two sensors comprise at least a first sensor of a first communication type and at least a second sensor of a second communication type, the first communication type and the second communication type differing from each other,
- wherein the first sensor is configured to communicate cyclically by regularly sending out, when powered on, information to the controller on its own motion, and
- the second sensor is configured to communicate only by interrogation by sending out, when powered on, information only in reply to receiving a request from the controller.
A system for checking a correct mounting of a plurality of sensors, comprising a controller configured to communicate with the plurality of sensors,
- wherein the controller is configured to control a switching on or off of a power supply to at least a sub-group of the sensors and to check whether a sensor whose power supply was switched on is communicating,
- wherein the system is configured such that at least two sensors are connected to a common power supply port and are therefore powered on or off at the same time, wherein the at least two sensors comprise at least two different types of sensors, wherein at least one of the at least two sensors connected to the common power supply port has a first pin select state and wherein at least one of the at least two sensors has a second pin select state.
A system for checking a correct mounting of a plurality of gas sensors, the system comprising a controller configured to communicate with the plurality of gas sensors,
- wherein at least a first sub-group of the plurality of gas sensors is connected to a power supply line via a first switch,
- wherein the controller is configured to control the first switch for switching on or off of a power supply to the first sub-group and to check whether a gas sensor out of the first sub-group whose power supply was switched on by the controller controlling the first switch is communicating in order to check the correct mounting of the gas sensor,
- wherein a third sub-group of the plurality of gas sensors comprises at least one gas sensor that has a power supply port that is switched on and off together with the controller.
A method for checking a correct mounting of a plurality of sensors, the method comprising:
- controlling, by a controller, a switching on or off of a power supply to at least a sub-group of the sensors by switching on or off a first switch connecting a power supply port of the at least a sub-group with a power supply line;
- and
- checking, by the controller, whether a sensor of the first sub-group with a power supply line whose power supply was switched on by the controller switching on the first switch is communicating;
- wherein
- at least two sensors are connected to a common power supply port and are therefore powered on or off at the same time, wherein the at least two sensors comprise at least two different types of sensors, the method further comprising:
- consecutively checking, by the controller, the first sub-group of the plurality of sensors and a second sub-group of the plurality of sensors, the second sub-group of the plurality of sensors being connected to the power supply line via a second switch controlled by the controller, by sequentially performing the following steps in order to avoid interference of the first sub-group of the plurality of sensors with the second sub-group of the plurality of sensors:
- switching on the first switch,
- checking whether the first sub-group of the plurality of sensors connected to the power supply line via the first switch are communicating,
- switching off the first switch, switching on the second switch, and
- checking whether the second sub-group of the plurality of sensors connected to the power supply line via the second switch are communicating.
Dependencies are inferred from the claim text.