System for monitoring serviceability status parameters

A device for monitoring generation of dust from particles of a loose granular product placed in a tightly sealed object, the device comprising:

• a three-axis accelerometer and a microcontroller operatively connected to the three-axis accelerometer;
• a non-volatile memory device operatively connected to the microcontroller;
• a wireless communication device, an alarm indicator, and a self-contained power supply;
• the non-volatile memory device and the wireless communication device forming a semi-active radio-frequency identification (RFID) tag;
• the microcontroller configured to convert acceleration vector values received from the three-axis accelerometer into a total amplitude signal of acceleration vector value;
• the microcontroller further configured to:
• record the total amplitude signal of acceleration vector value into the non-volatile memory device;
• compare the total amplitude signal of acceleration vector value with a maximum permissible value recorded in the non-volatile memory device;
• generate a signal of inoperability of the tightly sealed object when the maximum permissible value is exceeded;
• record signal of inoperability in the non-volatile memory device;
• and
• activate the alarm indicator.

A method for integrated monitoring of parameters of an operability state of a self-contained breathing apparatus containing a loose granular product, the method comprising the steps of:

• creating a plurality of respective measured values by:
• using environmental sensors, measuring temperature, humidity, and pressure inside the self-contained breathing apparatus;
• and
• using a three-axis accelerometer, measuring vibrations and/or mechanical impacts on the self-contained breathing apparatus;
• the plurality of respective measured values comprising a measured temperature value and a measured humidity value;
• the respective preset permissible values comprising a preset maximum temperature value and a preset maximum humidity value;
• storing the respective measured values in a non-volatile memory device in real time;
• comparing the respective measured values against respective preset permissible values;
• calculating a thermodynamic constant isochore value;
• using the measured values, calculating a dust content value, the dust content value being an amount of dust generated from particles of the loose granulated product;
• generating an alarm signal when at least one of the plurality of respective measured values is outside at least one of the respective preset permissible values or when the calculated thermodynamic constant isochore value exceeds a predetermined isochore value limit or upon the dust content value exceeding a predetermined dust content value;
• storing inoperability data in the non-volatile memory device when at least one of the plurality of respective measured values is outside at least one of the respective preset permissible values, the inoperability data comprising information related to the plurality of respective measured values in relation to the respective preset permissible values;
• transmitting alarm signal via a wireless communication channel to a data collection device;
• wherein the self-contained breathing apparatus comprises a monitoring device, the monitoring device comprising:
• the three-axis accelerometer and a microcontroller, the microcontroller being operatively connected to the three-axis accelerometer;
• the non-volatile memory device, the non-volatile memory device being operatively connected to the microcontroller;
• a wireless communication device, an alarm indicator, and a self-contained power supply;
• the non-volatile memory device and the wireless communication device forming a semi-active radio-frequency identification (RFID) tag.

A device for integrated monitoring of status parameters of a tightly sealed object containing loose granular product, the device comprising:

• a temperature sensor, a humidity sensor, a pressure sensor, and a three-axis accelerometer;
• a microcontroller operatively connected to the temperature sensor, the humidity sensor, the pressure sensor, and the three-axis accelerometer;
• a non-volatile memory device;
• a wireless communication device;
• an alarm indicator;
• a self-contained power supply;
• the microcontroller configured to be capable of:
• a. performing measurements at a given frequency and/or at interruptions from the three-axis accelerometer corresponding to impact events;
• b. determining a dust content, the dust content being an amount of dust generated from particles of the loose granular product under an effect of mechanical loads, the dust content being determined by using a total amplitude value of acceleration vectors received from the three-axis accelerometer;
• c. calculating a value of a thermodynamic constant isochore by dividing a current pressure value by a current temperature value;
• d. calculating respective gradients of measured values of humidity, temperature, and absolute pressure;
• e. calculating an isochore gradient;
• generating an alarm signal of inoperability
• f. when:
• 1. the measured temperature value exceeds a specified maximum permissible temperature value during a first specified time interval;
• or
• when the measured humidity value exceeds a specified maximum permissible humidity value during a second specified time interval;
• 2. or
• 3. when the determined dust content exceeds a predetermined dust content value;
• or
• when
• 4. at least one of the respective gradients of measured values and the isochore gradient exceed respective predetermined gradient values;
• g. the microcontroller being further configured to be capable of generating inoperability data in the non-volatile memory, the inoperability data relating to causes of inoperability of the device.

A system for monitoring respective performance status parameters of a plurality of respective tightly sealed objects containing respective loose granular product, the system comprising:

• at least one respective monitoring device installed on or in each of the respective tightly sealed objects, each of the respective monitoring devices being capable of monitoring the respective performance status parameters of the respective tightly sealed objects;
• at least one respective mobile or fixed wireless reader communicatively connected to the respective monitoring device via a respective wireless channel, the respective reader being communicatively connected by a first local area network to at least one monitoring data collection device comprising a local server;
• a main server communicatively connected to the local server via the first local area network or a global computer network;
• the main server communicatively connected to a remote computer via a second local area network or the global computer network;
• a main database, the main database comprising object, the object data being information related to the tightly sealed objects, the object data capable of being generated on the main server and comprising manufacturer's data and monitoring data capable of being obtained from the local server during an operation of the tightly sealed objects;
• each of the respective monitoring devices comprising:
• a temperature sensor, a humidity sensor, a pressure sensor, and a three-axis accelerometer;
• a microcontroller operatively connected to the temperature sensor, the humidity sensor, the pressure sensor, and the three-axis accelerometer;
• a non-volatile memory device;
• a wireless communication device;
• an alarm indicator;
• a self-contained power supply;
• the microcontroller configured to be capable of:
• a. performing measurements at a given frequency and/or by interruptions from the three-axis accelerometer corresponding to impact events;
• b. determining a dust content, the dust content being an amount of the dust generated from particles of the loose granular product under an effect of mechanical loads, the dust content being determined by using a total amplitude value of acceleration vectors received from the three-axis accelerometer;
• c. calculating a value of a thermodynamic constant isochore by dividing a current pressure value by a current temperature value;
• d. calculating respective gradients of measured values of humidity, temperature, and absolute pressure;
• e. calculating an isochore gradient;
• f. generating an alarm signal of inoperability when:
• 1. the measured temperature value exceeds a specified maximum permissible temperature value during a first specified time interval;
• or
• 2. when the measured humidity value exceeds a specified maximum permissible humidity value during a second specified time interval;
• or
• 3. when the determined dust content exceeds a predetermined dust content value;
• or
• 4. when at least one of the respective gradients of measured values and the isochore gradient exceed respective predetermined gradient values;
• g. the microcontroller being further configured to be capable of generating inoperability data in the non-volatile memory, the inoperability data relating to causes of inoperability of the respective monitoring device.