WIRELESS PORTABLE BATTERY CAPACITY TEST SYSTEM
First Claim
1. A battery capacity test system for testing a battery string having a plurality of battery cells wherein adjacent battery cells are connected to each other by an intercell connector, the system comprising:
- a continuous load unit for coupling to the battery string and maintaining a constant load on the battery string during a battery capacity test of the battery string;
a wireless data collection unit;
at least one wireless battery capacity test sense module for coupling to the battery cells and that communicates wirelessly with the wireless data collection unit, the wireless battery capacity test sense module having positive and negative voltage sense inputs for coupling to positive and negative posts of the battery cells; and
wherein during the battery capacity test, the wireless battery capacity sense module collects data by continuously monitoring the voltage of each battery cell to which wireless battery capacity sense module is coupled and transmits wirelessly the data it collects to the wireless data collection unit.
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Abstract
A battery capacity test system includes one or more wireless battery capacity test (“BCT”) sense modules, a continuous load unit, and a wireless data collection unit. The wireless data collection unit interfaces with a computer. During a battery capacity test, the wireless BCT sense module (or modules) continuously monitors the voltage of the battery cell (or cells) to which it is connected. In an aspect, it also continuously monitors the temperature of the battery cell (or cells) and intercell voltage (or voltages) across an intercell connector (or connectors). Each wireless BCT sense module wirelessly transmits the voltage and temperature data it collects to the wireless data collection unit.
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Citations
15 Claims
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1. A battery capacity test system for testing a battery string having a plurality of battery cells wherein adjacent battery cells are connected to each other by an intercell connector, the system comprising:
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a continuous load unit for coupling to the battery string and maintaining a constant load on the battery string during a battery capacity test of the battery string; a wireless data collection unit; at least one wireless battery capacity test sense module for coupling to the battery cells and that communicates wirelessly with the wireless data collection unit, the wireless battery capacity test sense module having positive and negative voltage sense inputs for coupling to positive and negative posts of the battery cells; and wherein during the battery capacity test, the wireless battery capacity sense module collects data by continuously monitoring the voltage of each battery cell to which wireless battery capacity sense module is coupled and transmits wirelessly the data it collects to the wireless data collection unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of performing a battery capacity test of a battery string having a plurality of battery cells wherein adjacent battery cells are connected to each other by an intercell connector, comprising:
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coupling at least one wireless battery capacity test sense module to the battery cells by coupling positive and negative posts of the battery cells to positive and negative voltage sense inputs of that wireless battery capacity test sense module; applying during the battery capacity test a continuous load to the battery string with a continuous load unit coupled to the battery string; continuously monitoring with the wireless battery capacity test modules connected to the battery cells the voltages of the battery cells to collect data; and wirelessly transmitting with the wireless battery capacity test module the data to a wireless data collection unit. - View Dependent Claims (11, 12, 13, 14, 15)
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Specification