System and method for improving chemical efficiency of a battery in a flow measurement system
First Claim
1. A measurement system, comprising:
- a control unit which receives usage data of water, electricity or gas from a sensor;
a wireless communication unit coupled to the control unit, wherein the wireless communication unit receives the usage data of water, electricity or gas and transmits the usage data of water, electricity or gas via an antenna;
a power supply system that includesa high energy density electric cell that stores energy anda rechargeable electric cell that is charged by the high energy density electric cell,wherein the power output from the power supply system consists only of power output by the rechargeable electric cell; and
a power supply unit coupled to the power supply system, the control unit and the wireless communication unit, wherein the power supply unit provides power from the rechargeable electric cell of the power supply system to the control unit and the wireless communication unit,wherein the power provided to the wireless communication unit includes high current bursts during the transmission of the usage data of water, electricity or gas via an antenna.
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Accused Products
Abstract
Systems and methods for powering a measurement system are provided. In some aspects, a system includes a high energy density electric cell, storing energy for powering the measurement system; a rechargeable electric cell, being charged by the high energy density electric cell and providing high current bursts to the measurement system; and a charging control device, coupled between the high energy density electric cell and the rechargeable electric cell, and enabling the high energy density electric cell to charge the rechargeable electric cell. The high energy density electric cell operates at a current which allows the high energy density electric cell to be in its optimal zone of chemical efficiency.
11 Citations
33 Claims
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1. A measurement system, comprising:
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a control unit which receives usage data of water, electricity or gas from a sensor;
a wireless communication unit coupled to the control unit, wherein the wireless communication unit receives the usage data of water, electricity or gas and transmits the usage data of water, electricity or gas via an antenna;a power supply system that includes a high energy density electric cell that stores energy and a rechargeable electric cell that is charged by the high energy density electric cell, wherein the power output from the power supply system consists only of power output by the rechargeable electric cell; and a power supply unit coupled to the power supply system, the control unit and the wireless communication unit, wherein the power supply unit provides power from the rechargeable electric cell of the power supply system to the control unit and the wireless communication unit, wherein the power provided to the wireless communication unit includes high current bursts during the transmission of the usage data of water, electricity or gas via an antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A power supply system for a measurement system, comprising:
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a high energy density electric cell that stores energy; a rechargeable electric cell that is charged by the high energy density electric cell and provides power to the measurement system and provides high current bursts during a transmission of usage data of water, electricity or gas from the measurement system via an antenna; and a charging control device coupled between the high energy density electric cell and the rechargeable electric cell wherein the charging control device enables the high energy density electric cell to charge the rechargeable electric cell, wherein the charging control device controls the high energy density electric cell to operate at a current which allows the high energy density electric cell to be in its optimal zone of chemical efficiency, wherein power provided to the measurement system consists only of power output by the rechargeable electric cell.
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18. A method for powering a measurement system, the method comprising:
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comparing a voltage of a rechargeable electric cell with a first threshold, wherein the rechargeable electric cell powers the measurement system and further provides high current bursts to the measurement system during a transmission of usage data of water, electricity or gas from the measurement system via an antenna; and when the voltage of the rechargeable electric cell is lower than the first threshold, turning on an enabling signal to enable charging of the rechargeable electric cell by a high energy density electric cell which stores energy charging the rechargeable electric cell; wherein the high energy density electric cell is controlled to operate at a current which allows the high energy density electric cell to be in its optimal zone of chemical efficiency, wherein power provided to the measurement system consists only of power output by the rechargeable electric cell. - View Dependent Claims (19, 20, 21, 22)
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23. A method for powering a measurement system, wherein the measurement system comprises a control unit for receiving usage data of water, electricity or gas from an interface, a wireless communication unit for transmitting the usage data, and a power supply unit for providing power to the control unit and the wireless communication unit, the power supply unit comprising a high energy density electric cell and a rechargeable electric cell that is charged by the high energy density electric cell, the method comprising:
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comparing a voltage of a rechargeable electric cell with a first threshold, wherein the rechargeable electric cell powers the measurement system and further provides high current bursts to the measurement system during a transmission of usage data or water, electricity or gas from the wireless communication system via an antenna; and when the voltage of the rechargeable electric cell is lower than the first threshold, turning on an enabling signal to enable charging of the rechargeable electric cell by the high energy density electric cell which stores energy for charging the rechargeable electric cell, wherein the high energy density electric cell is controlled to operate at a current which allows the high energy density electric cell to be in its optimal zone of chemical efficiency, wherein power output from the power supply unit consists only of power output by the rechargeable electric cell. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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Specification