Abstract: An electronic fire sprinkler system includes a plurality of electronic fire sprinklers that each output a flow of fluid in response to receiving an activation signal, a plurality of temperature sensors that each detect a temperature and output an indication of the detected temperature, a plurality of network devices that detect a distance to at least one of the plurality of electronic fire sprinklers, and a processing circuit. The processing circuit receives a plurality of detected distances, calculates a location of each electronic fire sprinkler based on the of detected distances, determines that a fire condition is present based on the detected temperature, identifies one or more of the plurality of electronic fire sprinklers based on the calculated locations and an identifier of the temperature sensor from which the indication of the detected temperature was received, and transmits one or more activation signals to the identified electronic fire sprinklers.

Abstract: Systems and methods of ceiling-only fire protection of an automated storage and retrieval system are provided. The system can include a plurality of fluid distribution devices disposed in a grid pattern beneath a ceiling and above the automated storage and retrieval system. The plurality of fluid distribution devices can include a frame body, seal assembly and actuator. The system can include a fluid distribution system including a network of pipes interconnecting the plurality of fluid distribution devices with a water supply. The system can include a plurality of detectors to monitor the automated storage and retrieval system. The system can include a controller coupled to the plurality of detectors to detect and locate a fire, and coupled to the plurality of fluid distribution devices to identify and control operation of a select number of the plurality of fluid distribution devices that define a discharge array above and about the fire.

Abstract: Systems and methods of ceiling-only fire protection of a storage structure are disclosed herein. The system comprising a plurality of fluid distribution devices disposed in a grid pattern beneath a ceiling and above the storage structure. The plurality of fluid distribution devices comprising a frame body, seal assembly and actuator. The system further comprising a fluid distribution system including a network of pipes interconnecting the plurality of fluid distribution devices with a water supply. The system further comprising a plurality of detectors to monitor the storage structure for a fire. The system further comprising a controller coupled with the plurality of detectors to detect and locate the fire, and coupled with the plurality of fluid distribution devices to identify and control operation of a select number of the plurality of fluid distribution devices that define a discharge array above and about the fire.

Abstract: A trigger device can include a sensor that detects a parameter corresponding to a fire condition, a comparator that evaluates the parameter to determine that the fire condition is present, a power source, and a trigger that receives power from the power supply and provides a control signal using the power to a control interface of a sprinkler responsive to the comparator determining that the fire condition is present to trigger operation of the sprinkler.

Abstract: An electronic fire sprinkler system includes a plurality of electronic fire sprinklers that each output a flow of fluid in response to receiving an activation signal, a plurality of temperature sensors that each detect a temperature and output an indication of the detected temperature, a plurality of network devices that detect a distance to at least one of the plurality of electronic fire sprinklers, and a processing circuit. The processing circuit receives a plurality of detected distances, calculates a location of each electronic fire sprinkler based on the of detected distances, determines that a fire condition is present based on the detected temperature, identifies one or more of the plurality of electronic fire sprinklers based on the calculated locations and an identifier of the temperature sensor from which the indication of the detected temperature was received, and transmits one or more activation signals to the identified electronic fire sprinklers.

Abstract: A mesh network fire suppression system includes a coordinator node configured as a control unit. The coordinator node includes a transceiver, a processor, and a memory coupled to the processor. In addition, the system includes a plurality of sprinkler nodes configured to be positioned within a building and connected to a water supply, where each of the sprinkler nodes includes a battery as a sole source of power, a wireless transceiver configured to be in communication with the coordinator node, a sensor configured to sense environmental conditions, monitoring circuitry, and actuation circuitry. In addition, each of the sprinkler nodes includes a sprinkler head coupled to the actuation circuitry and configured to dispense water when actuated. The coordinator node is configured to transmit an actuation signal to the actuation circuitry to at least one sprinkler node in response to receiving an alarm message.

Abstract: Systems and methods of ceiling-only fire protection of a storage structure are provided. The system can include a plurality of fluid distribution devices disposed in a grid pattern beneath a ceiling and above the storage structure. The plurality of fluid distribution devices can include a frame body, seal assembly and actuator. The system can include a fluid distribution system including network of pipes interconnecting the plurality of fluid distribution devices with a water supply. The system can include a plurality of detectors to monitor the storage structure for a fire. The system can include a controller coupled to the plurality of detectors to detect and locate the fire, and coupled to the plurality of fluid distribution devices to identify and control operation of a select number of the plurality of fluid distribution devices that define a discharge array above and about the fire.

Abstract: A sprinkler system includes a sprinkler and a release assembly. The sprinkler includes a base defining an inlet and an outlet, at least one arm extending from the base, a deflector coupled with the at least one arm, a button that seals the outlet, and a bulb coupled with the button between the button and the deflector. The bulb includes a resistive trace made of an electrically conductive material to fracture the bulb responsive to an electrical current to release the button from the outlet. The release assembly is coupled with the sprinkler and provides the electrical current to the bulb to cause the bulb to fracture responsive to a fire condition.

Abstract: A corrosion monitoring device includes a sensor assembly and a detector circuit. The sensor assembly includes at least one sensor portion disposed in an interior of a pipe in a fire sprinkler system for sensing corrosion of a wall of the pipe. The detector circuit transmits an electrical signal through the at least one sensor portion, monitors an electrical characteristic of the at least one sensor portion based on the electrical signal, compares at least one of the monitored electrical characteristic and a change in the electrical characteristic of the at least one sensor portion to at least one of a predetermined value and a previously monitored electrical characteristic, determines a corrosion status indicative of at least one of a corrosion level and a rate of corrosion of the pipe wall based on the comparison, and outputs an indication of the corrosion status.

Abstract: A system to mitigate false trips of a valve that supplies water to a piping system in a fire suppression system includes at least one edge device, a control circuit, and at least one user device. The at least one edge device monitors a parameter corresponding to at least one of a corrosion, a presence of water, a differential pressure across the valve, and a temperature in the piping system of the fire suppression system. The control circuit includes one or more processors and a memory storing instructions that, when executed by the one or more processors, cause the control circuit to receive an indication of the parameter monitored by the at least one edge device, predict whether a valve tripping event is expected to occur based on the received indication, and in response to predicting that the valve tripping event is expected to occur, provide the prediction that the valve tripping event can occur for remedial action. The at least one user device presents display data regarding the prediction.

Abstract: A bursting capsule, which includes a hollow cavity completely enclosed and delimited by a frangible vessel wall with a rupturing liquid disposed therein; an electrically conductive element disposed on an outside surface of the vessel wall; and a wax coating covering the electrically conductive element, is provided. The bursting capsule is typically part of a sprinkler head, which includes first and second electrical contact points in electrical contact with the electrically conductive element disposed on the vessel wall. The wax coating may completely encapsulate the electrically conductive element and the first and second electrical contact points. Fire protection devices and fire protection systems, which include the bursting capsule, are also provided.

Abstract: A corrosion monitoring device includes a sensor assembly and a detector circuit. The sensor assembly includes at least one sensor portion disposed in an interior of a pipe in a fire sprinkler system for sensing corrosion of a wall of the pipe. The detector circuit transmits an electrical signal through the at least one sensor portion, monitors an electrical characteristic of the at least one sensor portion based on the electrical signal, compares at least one of the monitored electrical characteristic and a change in the electrical characteristic of the at least one sensor portion to at least one of a predetermined value and a previously monitored electrical characteristic, determines a corrosion status indicative of at least one of a corrosion level and a rate of corrosion of the pipe wall based on the comparison, and outputs an indication of the corrosion status.

Abstract: A corrosion monitoring device includes a sensor assembly and a detector circuit. The sensor assembly includes at least one sensor portion disposed in an interior of a pipe in a fire sprinkler system for sensing corrosion of a wall of the pipe. The detector circuit transmits an electrical signal through the at least one sensor portion, monitors an electrical characteristic of the at least one sensor portion based on the electrical signal, compares at least one of the monitored electrical characteristic and a change in the electrical characteristic of the at least one sensor portion to at least one of a predetermined value and a previously monitored electrical characteristic, determines a corrosion status indicative of at least one of a corrosion level and a rate of corrosion of the pipe wall based on the comparison, and outputs an indication of the corrosion status.

Abstract: An exemplary bursting capsule includes a hollow cavity completely enclosed and delimited by a vessel wall comprising a frangible material, a rupturing fluid disposed in the hollow cavity, an electrical conductor disposed on an outside surface of the vessel wall, and a conformal coating on at least a portion of the outside surface covering the electrical conductor.

Abstract: An electronic fire sprinkler system includes a plurality of electronic fire sprinklers that each output a flow of fluid in response to receiving an activation signal, a plurality of temperature sensors that each detect a temperature and output an indication of the detected temperature, a plurality of network devices that detect a distance to at least one of the plurality of electronic fire sprinklers, and a processing circuit. The processing circuit receives a plurality of detected distances, calculates a location of each electronic fire sprinkler based on the of detected distances, determines that a fire condition is present based on the detected temperature, identifies one or more of the plurality of electronic fire sprinklers based on the calculated locations and an identifier of the temperature sensor from which the indication of the detected temperature was received, and transmits one or more activation signals to the identified electronic fire sprinklers.

Abstract: A system to mitigate false trips of a valve that supplies water to a piping system in a fire suppression system includes at least one edge device, a control circuit, and at least one user device. The at least one edge device monitors a parameter corresponding to at least one of a corrosion, a presence of water, a differential pressure across the valve, and a temperature in the piping system of the fire suppression system. The control circuit includes one or more processors and a memory storing instructions that, when executed by the one or more processors, cause the control circuit to receive an indication of the parameter monitored by the at least one edge device, predict whether a valve tripping event is expected to occur based on the received indication, and in response to predicting that the valve tripping event is expected to occur, provide the prediction that the valve tripping event can occur for remedial action. The at least one user device presents display data regarding the prediction.

Abstract: A system to mitigate false trips of a valve that supplies water to a piping system in a fire suppression system includes at least one edge device, a control circuit, and at least one user device. The at least one edge device monitors a parameter corresponding to at least one of a corrosion, a presence of water, a differential pressure across the valve, and a temperature in the piping system of the fire suppression system. The control circuit includes one or more processors and a memory storing instructions that, when executed by the one or more processors, cause the control circuit to receive an indication of the parameter monitored by the at least one edge device, predict whether a valve tripping event is expected to occur based on the received indication, and in response to predicting that the valve tripping event is expected to occur, provide the prediction that the valve tripping event can occur for remedial action. The at least one user device presents display data regarding the prediction.

Abstract: A corrosion monitoring device includes a sensor assembly and a detector circuit. The sensor assembly includes at least one sensor portion disposed in an interior of a pipe in a fire sprinkler system for sensing corrosion of a wall of the pipe. The detector circuit transmits an electrical signal through the at least one sensor portion, monitors an electrical characteristic of the at least one sensor portion based on the electrical signal, compares at least one of the monitored electrical characteristic and a change in the electrical characteristic of the at least one sensor portion to at least one of a predetermined value and a previously monitored electrical characteristic, determines a corrosion status indicative of at least one of a corrosion level and a rate of corrosion of the pipe wall based on the comparison, and outputs an indication of the corrosion status.

Abstract: A system to mitigate false trips of a valve that supplies water to a piping system in a fire suppression system includes at least one edge device, a control circuit, and at least one user device. The at least one edge device monitors a parameter corresponding to at least one of a corrosion, a presence of water, a differential pressure across the valve, and a temperature in the piping system of the fire suppression system. The control circuit includes one or more processors and a memory storing instructions that, when executed by the one or more processors, cause the control circuit to receive an indication of the parameter monitored by the at least one edge device, predict whether a valve tripping event is expected to occur based on the received indication, and in response to predicting that the valve tripping event is expected to occur, provide the prediction that the valve tripping event can occur for remedial action. The at least one user device presents display data regarding the prediction.