Battery tester with power limit detection
First Claim
1. In a battery testing system wherein a battery is placed across a load having a power level rating to perform a test on the battery, the system including means for sensing the voltage developed across and means for sensing the current through the load during the test, the improvement comprising:
- electrical circuitry operative to generate a signal representative of the power consumed by the load as a function of the voltage and current during the test; and
an indicator that signals to the system operator when the power consumed by the load exceeds the rating.
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Accused Products
Abstract
In an electrical resistive-load battery testing system, apparatus and methods are disclosed for independently monitoring and reacting to both the temperature of the load and the power actually consumed by the load. The signals derived by the temperature and power monitoring aspects of the invention may be used to provide visual and/or audible indicators to alert an operator that the system has exceeded predetermined operating levels. The load may be of a carbon-pile construction, though other loading arrangements are possible. According to the direct load-power monitoring aspect of the invention, electrical circuity is used to generate a signal representative of the power consumed by the load as a function of the voltage applied across the load and the current through by the load during the test, and a function such as an operator alert is performed in response to the power consumed by the load.
164 Citations
9 Claims
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1. In a battery testing system wherein a battery is placed across a load having a power level rating to perform a test on the battery, the system including means for sensing the voltage developed across and means for sensing the current through the load during the test, the improvement comprising:
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electrical circuitry operative to generate a signal representative of the power consumed by the load as a function of the voltage and current during the test; and an indicator that signals to the system operator when the power consumed by the load exceeds the rating. - View Dependent Claims (2, 3, 5, 6, 7, 8)
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4. In a battery testing system wherein a battery is placed across a load to perform a test on the battery, a load power monitoring system, comprising:
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a load having a power level rating; means for coupling the battery to the load to perform a test on the battery; means for sensing the voltage developed across the load during the test; means for sensing the current through the load during the test; electrical circuitry to generate a signal representative of the power consumed by the load as a function of the voltage developed across the load and the current through the load during the test, the circuitry utilizing one or more segments that approximate a portion of a curve associated with the operating power-level of the load; and an operator indicator responsive to the signal representative of the power consumed by the load.
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9. A method of monitoring power consumed by a load in a battery testing system, comprising the steps of:
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connecting a battery across the load to perform a test; sensing the voltage across the load during the test; sensing the current through the load during the test; determining the continuous power consumed by the load as the product of the voltage across the load and the current through the load; providing a monitoring signal as a function of the determined power level.
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Specification