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US 10,589,766 B2Granted
Railroad crossing gate monitoring and alarm system
AssigneeSiemens Mobility GmbH
InventorLeonard Wydotis
Life of this patent
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Abstract
Aspects of the disclosed embodiments generally relate to a current monitoring and alarm system for a railroad crossing gate. The system is capable of determining that the gate is functioning properly or not. In addition, the system can issue an alarm or provide some other indicator when the gate is not functioning properly or is being subjected to excessive loading.
Claims12
A system for monitoring a railroad device, said system comprising:
- a sensing device for monitoring an electrical characteristic of the railroad device, said sensing device generating a first output when the electrical characteristic exceeds a predetermined threshold;
- and
- a first monitoring device connected to the first output of the sensing device, said first monitoring device providing at least one of an audible or a visual indication when the electrical characteristic exceeds the predetermined threshold,
- wherein the railroad device is a motor for the crossing gate, the electrical characteristic is a current draw of the motor and the sensing device is a current sensing switch, said current sensing switch comprising an adjustment mechanism for setting a value of the predetermined threshold,
- wherein the sensing device generates a second output when the electrical characteristic exceeds the predetermined threshold and said system further comprises a second monitoring device connected to the second output of the sensing device, and
- wherein the first output of the sensing device is a relay output and the second output is a solid state output.
3 more elements
A method of monitoring a railroad device, said method comprising:
- monitoring an electrical characteristic of the rail device;
- generating a first output when the electrical characteristic exceeds a predetermined threshold;
- and
- providing at least one of an audible or a visual indication when the electrical characteristic exceeds the predetermined threshold,
- wherein the railroad device is a motor for a crossing gate, the electrical characteristic is a current draw of the motor and the electrical characteristic exceeding the predetermined threshold is indicative of excessive loading of the crossing gate.
2 more elements
Dependencies are inferred from the claim text.