High reliability correlation type direct reading liquid seal water meter
A through-beam, reliable technology, applied in the direction of volume indication and recording equipment, etc., can solve problems such as errors and inaccurate readings, and achieve the effects of high reading accuracy, simple structure, and easy manufacturing and installation.
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[0013] Accompanying drawing is a kind of specific embodiment of the present invention. This embodiment includes several character wheels 1, and the character wheel 1 is provided with a first ring 2 and a second ring 3 sequentially from the inside to the outside, half of the area on the first ring 2 is a blank area 4, and the other half area is a shadow area 5. On the second ring 3 corresponding to the blank area 4 of the first ring 2, three blank areas 4 and two shadow areas 5 are evenly spaced, and the second ring 3 corresponding to the shadow area 5 of the first ring 2 Two blank areas 4 and three shaded areas 5 are evenly spaced on the two rings 3 . Five first sensors 6 are uniformly arranged on the side of the shaded area 5 of the first ring 2, and one is arranged in the middle of the side of a shadowed area 5 of the second ring 3 corresponding to the shadowed area 5 of the first ring 2. The second sensor 7 is provided with a third sensor 8 at a central angle of 54° in the...
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