Prepaid intelligent water meter based on water body self-flowing power supply
A smart water meter, prepaid technology, used in coin-operated equipment for rental items, coin-free or similar appliances, coin-operated equipment for distributing discrete items, etc., and can solve problems such as water meter scrapping
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[0013] Attached below figure 1 The present invention is described in detail below.
[0014] Such as figure 1 As shown, the present invention includes a housing composed of left and right bases 22 / 12, a cover 28, a glass window 4, a cover glass 9, and an outer cover 11. The inner chamber of the housing can be divided into four small compartments: upper, lower, left and right , forming a "Tian"-shaped layout. In the upper left warehouse of the word "Tian", a radio frequency control device is set: including rechargeable battery 6, liquid crystal display 3, non-contact radio frequency sensor 1 and data processing device 2; The display value of the display screen 3 is synchronized; a ball valve 20 and a water turbine 18 are arranged in the water outlet space of the lower left warehouse, and a generator is arranged in a space close to the water turbine 18 below the upper left warehouse, and the generator is formed by a generator stator embedded in the top left base. 19 forms with...
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