Counting digit wheel radial transmitting photoelectric direct-reading apparatus of long distance transmitting meter
A technology of photoelectric direct reading and digital wheel, applied in the direction of counting mechanism/item, instrument, etc., can solve the problems of large number of components, high probability of error code, low manufacturing cost, etc., and achieve high signal-to-noise ratio, high light intensity, light small loss effect
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[0020] The specific structure of the present invention will be described in detail according to FIGS. 1 to 6 . The remote transmission meter digital wheel radial transmission photoelectric direct reading device includes a meter bracket (not shown in the figure) and a character wheel shaft 1 with a character wheel baffle 3 fixed on it, a code reader, and an assembled character wheel shaft 1 The multi-digit coding number wheel 6 etc. on the top. Wherein the word wheel axle 1 adopts the split type cylindrical light-shielding shaft with the light-transmitting window 5, promptly is made up of opaque black or white light-shielding semi-cylinders that can be joined together in two halves. On the built-in circuit board 2 of the character wheel shaft 1, the same light-emitting diodes 4 are arranged axially as the digits of the decimal code number wheel 6 to be read, and the center of the light-emitting diodes 4 is aligned with the center of the light-transmitting window 5 of the word w...
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