Method and apparatus for testing batteries on a golf car
First Claim
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1. A method for testing a battery pack of an electric or hybrid vehicle, the battery pack having a plurality of batteries, comprising:
- measuring a first parameter of a battery in the battery pack;
determining an average of first parameter values of the remaining batteries in the battery pack, the average first parameter value for remaining batteries changing depending on which battery of the battery pack is being tested at a given instant;
comparing the measured first parameter value to the average to obtain a result;
outputting an alert signal if the result is not within a given range, else storing the result of the comparison, the measuring, determining, comparing and outputting or storing repeated until each battery in the battery pack has been tested.
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Abstract
A battery management system used for monitoring battery pack characteristics for electric or hybrid vehicles. The battery management system includes a processing unit which is easily connected to a battery pack of a vehicle for testing the battery pack according to the test method of the present invention. The battery management system tests a battery pack and records, stores and analyzes test data. The battery management system may also transfer data to a computer unit. The computer unit can share data and analysis on a network or the Internet.
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Citations
13 Claims
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1. A method for testing a battery pack of an electric or hybrid vehicle, the battery pack having a plurality of batteries, comprising:
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measuring a first parameter of a battery in the battery pack;
determining an average of first parameter values of the remaining batteries in the battery pack, the average first parameter value for remaining batteries changing depending on which battery of the battery pack is being tested at a given instant;
comparing the measured first parameter value to the average to obtain a result;
outputting an alert signal if the result is not within a given range, else storing the result of the comparison, the measuring, determining, comparing and outputting or storing repeated until each battery in the battery pack has been tested. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A battery management system for managing a battery pack of an electric or hybrid vehicle, the battery pack including a plurality of batteries, comprising:
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a first interface component in electrical communication with the battery pack for receiving a first parameter of each battery in the battery pack;
a second interface component in selective electrical communication with the first interface component;
a processor in electrical communication with the second interface component via a circuit, the circuit measuring the first parameter of one of the batteries in the battery pack, the processor determining an average of first parameter values of the remaining batteries in the battery pack, the average first parameter value for remaining batteries changing depending on which battery of the battery pack is being tested at a given instant, and the processor comparing the measured first parameter value received from the circuit to the average to obtain a result; and
an output device signaling an operator if the result is outside a given range, else a memory storing the result. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification