High-reliability electric direct-reading instrument counter
A direct-reading, counter technology, used in instruments, volume measurement, measuring devices, etc., can solve the problem of counter carry misreading, etc., and achieve the effects of easy processing, simple structure and low error.
Inactive Publication Date: 2011-11-30
SHANGHAI MUNICIPAL WATER RESOURCES DEV & UTILIZATION NAT ENG CENT +1
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Problems solved by technology
[0007] In order to solve the above problems and overcome the defect of carry misreading in the existing electric direct reading counter, the present invention provides an electric direct reading instrument counter with easy reading, simple manufacturing process, low cost and high reliability
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[0031] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.
[0032] see figure 1 , is a schematic diagram of the overall structure of the high-reliability electric direct-reading water meter counter of the present invention. A high-reliability electric direct-reading meter counter, including a housing 1, a driving wheel 3 located outside the housing 1, a carry gear 2 located in the housing 1, and multiple coaxial digital wheels 4 meshing with the carry gear 2 , the signal acquisition board 5 .
[0033] Numerals are printed on the 4 cylinder faces of the number wheel. The numbers are evenly distributed. Numbers from 0 to 9.
[0034] The lowest digit wheel 4 is coupled with the drive wheel 3 .
[0035] The carry of multiple coaxial digital wheels 4 is completed in this way: every time the low digital w...
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A high-reliability electric direct-reading instrument counter, relating to an instrument counter, including a housing and a driving wheel, characterized in that it also includes: several coaxial number wheels, the lowest digit wheel is connected to the driving wheel, and the number A number of arc-shaped light-transmitting holes are respectively opened on the two radius circles of the end face of the wheel; a total of 10 numbers from 0 to 9 are printed on the cylinder surface of the number wheel, and the interval of each number is divided into 3 equal parts; the carry wheel, and the number The wheel meshes; the signal acquisition board is located on both sides of the digital wheel, and several pairs of photoelectric sensors are arranged on it. The beneficial effects of the present invention are: the encoding method is unique, the structure is simpler, easier to process, the cost of the product is reduced, and it is beneficial to mass production; the carry check sensor is designed, and the further confirmation of the carry is reduced; it can be widely used in Most instruments such as water meters, electricity meters and gas meters.
Description
technical field [0001] The invention relates to a digital direct reading device of a mechanical counter, in particular to an electric direct reading water meter counter. Background technique [0002] Water, electricity, and coal are necessary for residents' life. Water meters, electricity meters, gas meters and other instruments are common tools in every family's daily life. [0003] With the development and improvement of intelligent systems, remote meter reading systems have been installed in most high-end residential quarters. Remote meter reading is a convenient system. As an important part of the modern management system, the system has played a very important role. [0004] At present, there are many technologies to realize remote meter reading, such as Bluetooth technology, wireless local area network technology, etc., and various existing conversion methods, such as using inductance, reed sensor or camera direct reading sensor, have defects or deficiencies in diffe...
Claims
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Inventor 周瑜苗雨康兰英温雅黄怡
Owner SHANGHAI MUNICIPAL WATER RESOURCES DEV & UTILIZATION NAT ENG CENT