Applicable environment of automobile relayPostTime: 2022-11-01 Views: 658 |
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Applicable environment of automobile relay
1. Ambient temperature: the influence of the temperature of the operating environment and the temperature rise of the coil on the action voltage is generally divided into engine compartment (the maximum temperature is required to be 125 ℃) and cockpit (the maximum temperature is required to be 85 ℃); The coil resistance of the relay changes with the temperature, which has obvious influence on the relay action and release voltage. When the temperature rises by 1 ℃, the coil resistance will rise by 4 ‰. When the relay coil is energized for a period of time, the coil heats up. At this time, the relay contacts are switched, and the action voltage is higher than the cold action voltage. |
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