Supply chain systems and methods are disclosed for monitoring fluid levels in liquid containers, such as kegs. Embodiments include sensors that fit within a keg's false bottom, measure the weight of the keg, and transmit the weight information to a computer database via a wireless network. Other emb
Supply chain systems and methods are disclosed for monitoring fluid levels in liquid containers, such as kegs. Embodiments include sensors that fit within a keg's false bottom, measure the weight of the keg, and transmit the weight information to a computer database via a wireless network. Other embodiments include an RFID device with information about a characteristic of the liquid within a keg (such as brand and/or type of beer) that may be attached to the keg and paired with the sensor so the sensor can transmit information about the characteristic of the liquid in the keg. In alternate embodiments, the sensor's transmitter is short range and an uplink/gateway is used to receive information from the sensor and relay that sensor's information to a broader wireless network. Multiple containers in close proximity may each be fitted with an RFID device and sensor and communicate their individual information to the database.
대표청구항▼
1. A keg sensor/transmitter comprising: a housing configured to be installed to the keg by being mounted to the bottom of the keg the housing comprising:a pressure sensor configured to determine an amount of liquid within the keg, the pressure sensor configured to receive a first wake up schedule in
1. A keg sensor/transmitter comprising: a housing configured to be installed to the keg by being mounted to the bottom of the keg the housing comprising:a pressure sensor configured to determine an amount of liquid within the keg, the pressure sensor configured to receive a first wake up schedule including a first rate to wake up the pressure sensor for communication with a database; and,a transmitter coupled to the pressure sensor, the transmitter configured to transmit an amount of the liquid within the keg,wherein the pressure sensor is further configured to receive a second wake up schedule including a second rate to wake up the pressure sensor for communication with the database, the second rate based partly on information regarding a consumption of the liquid within the keg from the database,wherein the transmitter is further configured to transmit an updated amount of the liquid with the keg at the second rate according to the second wake UP schedule based at least partly on the updated amount of the liquid within the keg relative to the amount of the liquid within the keg, the updated amount of the liquid within the keg received from the pressure sensor. 2. The device of claim 1, wherein said housing further includes memory adapted for storing identification data for identifying the keg sensor/transmitter; and wherein said transmitter is adapted to wirelessly transmit data strings which include said identification data and the amount of liquid within the keg. 3. The device of claim 1, wherein the pressure sensor is further configured to alternate between a sleep mode and a transfer mode based at least partly on the first wake up schedule or the second wake up schedule. 4. A system, comprising: a sensor coupled to a first keg, the sensor for sensing a first keg value corresponding to a volume of beer in the first keg;a communication gateway configured to receive keg values and device serial numbers from a plurality of kegs including the first keg, wherein the communication gateway is configured to receive information regarding consumption of the volume of beer in the first keg relative to consumption of the volume of beer in a second keg of the plurality of kegs; anda transmitter configured to transmit the first keg value to the communication gateway,wherein the sensor is configured to receive a first wake up schedule including a first rate from the communication gateway, and wherein the sensor is configured to receive a second wake up schedule including a second rate from the communication gateway, the second rate based partly on the information regarding the consumption of the volume of beer in the first keg relative to the consumption of the volume of beer in the second keg. 5. The system of claim 4, wherein the sensor is further configured to wake up according to the first wake up schedule at the first rate and transmit the first keg value and a device serial number to the communication gateway via the transmitter. 6. The system of claim 4, wherein the sensor is configured to wake up according to the second wake up schedule at the second rate and transmit an updated first keg value and the device serial number to the communication gateway via the transmitter. 7. The system of claim 4, further comprising: a database storing information regarding the plurality of kegs, the database configured to receive information regarding the plurality of kegs from the communication gateway and to transmit wake up schedules to the plurality of kegs via the communication gateway. 8. The system of claim 7, wherein the database is configured to execute instructions that, when executed by a processor, compare the first keg value to a second keg value to generate the information regarding the consumption of the volume of beer in the first keg relative to the consumption of the volume of beer in the second keg and to generate the wake up schedules including the first wake up schedule and the second wake up schedule. 9. The system of claim 8, wherein the information regarding the plurality of kegs includes a type/brand of beer in each keg of the plurality of kegs, wherein the instructions further include comparing the first keg value to the second keg value based on the type/brand of beer in each respective keg. 10. The system of claim 4, wherein the first rate corresponds to an initial rate of one hour, wherein the second rate corresponds to a rate of twenty minutes. 11. A method, comprising: receiving a plurality of keg weights, each keg weight associated with a corresponding keg of a plurality of kegs, each keg weight received at a first wake up time according to a first wake up rate from a corresponding weight sensor of each keg;determining that a first keg of the plurality of keg is being consumed at a first consumption rate faster than a second keg of the plurality of kegs at a second consumption rate based partly on a first keg weight of the first keg relative to a second keg weight of the second keg;generating a second wake up rate based on the determination that the first keg is being consumed at the first consumption rate faster than the second consumption rate; and transmitting the second wake up rate to a first weight sensor of the first keg. 12. The method of claim 11, wherein the second wake up rate accelerates a wake up rate of the first keg relative to a wake up rate of the second keg. 13. The method of claim 12, wherein the second wake up rate wakes up the first weight sensor at a higher rate than the first wake up rate. 14. The method of claim 12, further comprising: transmitting a third wake up rate to a second weight sensor of the second keg to adjust the wake up rate of the second keg to the third wake up rate based on the determination that the first keg is being consumed at the first consumption rate, the third wake up rate slower than the second wake up rate. 15. The method of claim 11, wherein determining that the first keg is being consumed at the first consumption rate faster than the second keg at the second consumption rate comprises: estimating the first consumption rate of the first keg based on the first keg weight and a previous first keg weight received at a second wake up time; andestimating the second consumption rate of the first keg based on the first keg weight and a previous first keg weight received at the second wake up time. 16. The method of claim 11, wherein the first wake up rate is preprogrammed into a flash memory of the first weight sensor of the first keg. 17. The method of claim 11, further comprising: receiving the first keg weight of the first keg at a third wake up time according to the second wake up rate from the first weight sensor of the first keg.
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