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US 10,539,969 B2Granted
Communication system for a hydrogen refuelling system
AssigneeNel Hydrogen A/S
InventorsLars Møller, Jørn Rosenlund
Life of this patent
Estimating the term…
Abstract
A HRS comprising at least a HRS center module, a HRS dispenser module and a first hydrogen supply line facilitating flow of hydrogen between the HRS center module and the HRS dispenser module, the HRS center module comprises a safety controller and a process controller, wherein data is communicated between the safety controller and safety components of the HRS dispenser module via a safety communication channel, and wherein data is communicated between the process controller and process components of the HRS dispenser module via a process communication channel.
Claims20
A Hydrogen Refueling Station (HRS;
- Hydrogen Refueling Station) comprising at least:
- a HRS center module,
- a HRS dispenser module, and
- a first hydrogen supply line facilitating flow of hydrogen between the HRS center module and the HRS dispenser module, wherein
- the HRS center module comprises a safety controller and a process controller, wherein the software program on the safety controller is different from the software program on the process controller,
- wherein the software program of the safety controller implements a plurality of safety instrumented functions established to monitor the operation of the HRS performed by the process controller,
- wherein data is communicated between the safety controller and safety components of the HRS dispenser module via a safety communication channel,
- wherein data is communicated between the process controller and process components of the HRS dispenser module via a process communication channel wherein the safety communication channel and the process communication channel are two separate communication channels, and
- wherein one of the safety components and one of the process components are measuring the same value of the HRS.
6 more elements
A Hydrogen Refueling Station (HRS;
- Hydrogen Refueling Station) comprising at least:
- a HRS center module including a process controller and a safety controller, said safety controller configured to operate the HRS independently of said process controller;
- a HRS dispenser module separated by a distance from said HRS center module, said HRS dispenser module including process components controlled by said process controller and also including safety components controlled by said safety controller;
- and
- a first hydrogen supply line facilitating flow of hydrogen between the HRS center module and the HRS dispenser module;
- a safety communication channel providing data communications between said safety controller and said safety components;
- and
- a process communication channel providing data communications between the process controller and process components.
5 more elements
A Hydrogen Refueling Station (HRS;
- Hydrogen Refueling Station) comprising at least:
- a HRS center module including a process controller and a safety controller separate from said process controller;
- a HRS dispenser module separated by a distance from said HRS center module, said HRS dispenser module including process components controlled by said process controller and also including safety components controlled by said safety controller;
- and
- a first hydrogen supply line facilitating flow of hydrogen between the HRS center module and the HRS dispenser module;
- a safety communication channel providing data communications between said safety controller and said safety components via;
- and
- a process communication channel separate from said safety communication channel providing data communications between the process controller and process components, wherein
- at least one of the safety or said process communication channels is implemented as cable at least partly fed below ground level in a duct between the HRS center module and the HRS dispenser module in a cable pipe within the duct, said duct being equipped with a hydrogen sensor for detecting leakages of hydrogen in the duct.
6 more elements
Dependencies are inferred from the claim text.