SF6 density relay verification device based on temperature compensation
A technology of density relay and calibration device, applied in circuit breaker testing and other directions, can solve the problems of pointer sticking, poor economy and environmental protection, inflexible action, etc., and achieve the effect of improving accuracy, environmental protection and economy.
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[0020] like figure 1 , figure 2 As shown, a SF6 density relay calibration device based on temperature compensation includes a housing 1, a sealing plate 10, a fixing sleeve 2 and a fixing rod 3. The fixing sleeve 2 includes a U-shaped ring 21 and a pressure ring 22. The The U-shaped ring 21 is arranged in the housing 1, and the outer side wall of the U-shaped ring 21 is in contact with the inner side wall of the housing 1. The pressing ring 22 is arranged on the U-shaped ring 21. The U-shaped ring 21 and the pressing ring A fixing hole 23 for fixing the SF6 density relay 6 is formed between the rings 22. One end of the fixing rod 3 is fixedly connected to the housing 1, and the other end of the fixing rod 3 is connected to the pressing ring 22. The fixing sleeve 2 and A temperature adjustment assembly 4 is arranged between the casings 1 , the casing 1 is fixedly connected to a sealing plate 10 , and a temperature sensor 5 connected to the temperature adjustment assembly 4 is...
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