Magnetic coupling transmission fully-sealed counter and measuring instrument with same

Abstract

The invention relates to the field of measuring instruments, in particular to a fully-sealed counter of a measuring instrument. The magnetic coupling transmission fully-sealed counter comprises a header, a header bottom plate and an outer cavity shaft baffle plate, wherein the header is provided with a counting outer cavity and a counting inner cavity; the counting outer cavity and the counting inner cavity are completely isolated; the counting outer cavity comprises an outer cavity shaft; an outer cavity shaft sleeve and an outer magnetic coupling wheel are arranged on the outer cavity shaft; outer magnetic coupling steel is embedded at the inner part of the outer magnetic coupling wheel; the counting inner cavity comprises an inner cavity shaft; an inner cavity shaft sleeve, a character wheel and an inner magnetic coupling wheel are arranged on the inner cavity shaft; and inner magnetic coupling steel is embedded at the inner part of the inner magnetic coupling wheel. A magnetic coupling transmission mode is used for replacing the traditional axial rotation mode to thoroughly solve the problems of liquid leakage, gas leakage and water leakage of the inner cavity and outer cavity of the counter caused by axial holes, thereby ensuring good use environment of electronic products in the counter, improving the reliability and the stability of the measuring instrument, and prolonging the service life of the measuring instrument. Simultaneously, the invention also has the characteristics of accurate technology, sensitive transmission, strong universality and the like, and is easy in assembly.

Description

technical field [0001] The invention relates to the field of measuring instruments, in particular to a fully sealed counter for measuring instruments. Background technique [0002] With the progress of the society, the continuous improvement of the living standards of urban and rural residents and the vigorous promotion of the work of one meter per household, the remote meter reading system has also had a development history of nearly 15 years. , Wiegand and other sensing principles, developed to the current photoelectric, camera and other technologies, from the need for power in the past, to now only need power supply at the moment of reading, from the previous wired to the current wireless transmission, it can be said that in meter reading The industry has seen many ups and downs. At present, the intelligent metering instruments of most manufacturers at home and abroad are generally developed with passive sensor-based circuit boards, that is, circuit boards are installed ...

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the problems that the metering instrument counters in the prior art cannot be completely sealed, which makes the electronic devices easy to be damaged by moisture, thereby shortening the life of the product and having poor stability, and provides a completely sealed counter, which can effectively ensure the metering instrument counters Fully sealed counter with magnetic coupling drive that is not disturbed by the external environment

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