Negative pressure reusable respirator system for safety event detection
A system includes a negative pressure reusable respirator configured to be worn by a worker and to cover at least a mouth and a nose of the worker, a sensor configured to generate sensor data indicative of a characteristic of air within a work environment, and at least one computing device. The negative pressure reusable respirator includes at least one contaminant capture device configured to remove contaminants from air as the air is drawn through the contaminant capture device when the worker inhales. The at least one contaminant capture device is configured to be removable from the negative pressure reusable respirator. The at least one computing device configured to determine whether the at least one contaminant capture device is due for replacement, and perform one or more actions in response to determining the at least one contaminant capture device is due for replacement.
1 . A system comprising:
a negative pressure re-usable respirator configured to be worn by a worker and to cover at least a mouth and a nose of the worker to form a sealed space formed by a face of the worker and the negative pressure re-usable respirator, wherein the negative pressure re-usable respirator comprises at least one contaminant capture device configured to remove contaminants from air as the air is drawn through the contaminant capture device when the worker inhales, and wherein the at least one contaminant capture device is configured to be removable from the negative pressure re-usable respirator;
a pressure sensor configured to generate pressure sensor data indicative of an air pressure in the sealed space formed by the face of the worker and the negative pressure re-usable respirator;
an infrared sensor configured to generate infrared sensor data indicative of a distance between the face of the worker and the negative pressure re-usable respirator; and
at least one processor configured to:
determine, based on the pressure sensor data and the infrared sensor data, whether a breach of the sealed space formed by the face of the worker and the negative pressure re-usable respirator has occurred;
perform one or more actions in response to determining the breach has occurred.
2 . The system of claim 1 , wherein the at least one processor is configured to determine the breach of the sealed space based at least in part on a determination, using the infrared sensor data, that the face of the user is not within a threshold distance of the respirator.
3 . The system of claim 1 , wherein the determination of the breach of the sealed space is based on at least one of a leak between the face of the worker and the negative pressure re-usable respirator, a fit characteristic of the negative pressure re-usable respirator, or a change in seal integrity of a seal included in the negative pressure re-usable respirator.
4 . The system of claim 1 , further comprising a first computing device comprising the at least one processor and a second computing device,
wherein the first computing device is configured to communicate at least one message with the second computing device that establishes a communication channel between the first and second computing devices, and
wherein the second computing device is configured to output at least one of an audible alert, a visual alert, or a haptic alert in response to the at least one message from the first computing device.
5 . The system of claim 1 , wherein the at least one processor is further configured to:
determine a service life time for the negative pressure re-usable respirator; and
perform at least one operation based on the service life time.
6 . The system of claim 5 , wherein to perform at least one operation based at least in part on the service life time, the at least one processor is further configured to:
configure a timer based at least in part on the service life time; and
determine, based on a state of the timer, that the service life time has been reached or expired.
7 . The system of claim 6 , wherein to determine, based at least in part on a state of the timer, that the service life time has been reached or expired, the at least one processor is further configured to determine that the state of the timer indicates at least one of: the timer will expire within a first threshold period of time, the time has expired, or the timer has been expired for a second threshold period of time.
8 . The system of claim 6 , wherein the at least one processor is further configured to generate an output based at least in part on the state of the timer.
9 . The system of claim 8 , wherein the at least one processor is further configured to increment the timer in response to data received from at least one other sensor.
10 . The system of claim 1 , wherein the at least one processor is configured to compare the pressure differential from the pressure sensor data to a threshold decrease in air pressure; and the measured distance from the infrared sensor data to a threshold distance to determine whether the breach as occurred.
11 . The system of claim 1 , wherein the at least one processor is further configured to:
determine whether the negative pressure re-usable respirator was pulled away from the worker's face based on the distance between the face of the worker and the negative pressure re-usable respirator.
12 . The system of claim 1 , wherein the at least one processor is further configured to compare the distance to a threshold distance using the infrared sensor data to determine whether the worker is clean shaven.