Solar radiation compensation method for a vehicle climate control
First Claim
1. A method of operation of a climate control system for a vehicle cabin, including a controller for adjusting a cooling capacity of system to condition air in said cabin, the method of operation comprising the steps of:
- measuring a mean radiant temperature in said cabin;
measuring an air temperature in said cabin;
computing a difference between said mean radiant temperature and said air temperature;
estimating a solar radiation intensity according to said difference; and
adjusting said cooling capacity based on the estimated solar radiation intensity.
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Accused Products
Abstract
A vehicle climate control is compensated for direct and indirect infrared heat loading due to solar radiation based on a mean radiant temperature sensor and a cabin air temperature sensor. The mean radiant temperature sensor include a temperature responsive element such as a thermistor enclosed in a hollow spherical housing that blocks visible light but absorbs infrared radiation. The difference between the mean radiant temperature and the cabin air temperature provides a measure of the total infrared heat loading on the cabin and is used to increase the cooling capacity of the climate control system.
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Citations
4 Claims
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1. A method of operation of a climate control system for a vehicle cabin, including a controller for adjusting a cooling capacity of system to condition air in said cabin, the method of operation comprising the steps of:
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measuring a mean radiant temperature in said cabin; measuring an air temperature in said cabin; computing a difference between said mean radiant temperature and said air temperature; estimating a solar radiation intensity according to said difference; and adjusting said cooling capacity based on the estimated solar radiation intensity. - View Dependent Claims (2, 3, 4)
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Specification