Drawing type cold chain temperature recording device and temperature recording method thereof
A technology of temperature recording and cold chain, applied in thermometers, measuring devices, applications of thermometers, etc., can solve the problems of inconvenient operation, complex technology, difficult production, etc., and achieve the effect of good indication accuracy, small size and simple structure
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[0043] Refer to attached Figure 1~5 , The drawing type cold chain temperature recording device includes a base 1 , a transparent cover 2 , a spiral bimetal 4 , a central shaft 3 , a shaft sleeve 5 , a drawing pointer 6 , and a scale dial 8 . The drawing pointer 6 is provided with a drawing head 7 , and the low temperature area of the scale dial 8 is provided with an ink cartridge 9 . The center of the base 1 is fixed with a central shaft 3, and the sleeve 5 is set on the central shaft 3 to be able to rotate; the outer end of the spiral bimetal 4 is connected to the inner wall of the base 1, and the inner end of the spiral bimetal 4 is connected to the sleeve 5, and the temperature changes When the spiral bimetal 4 stretches and bends to drive the shaft sleeve 5 to rotate; the position of the dial 8 ensures that it covers the top of the spiral bimetal 4 and does not affect the rotation of the spiral bimetal 4 and the shaft sleeve 5; the shaft sleeve 5 passes through the dial...
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