Low-power-consumption high-precision heat meter
A high-precision, heat meter technology, applied in the direction of instruments, coin-operated equipment for distributing discrete items, coin-free or similar appliances, etc., can solve the core - the high power consumption of calculator circuits, the failure of electronic circuits to work normally, Measurement accuracy can not guarantee accuracy and other issues
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[0053] The present invention will be further described below in conjunction with accompanying drawing.
[0054] Such as figure 1 As shown, this embodiment includes a power supply module 1, a button control module 2, a storage module 3, a valve control module 4, a card reader module 5, an infrared communication module 6, an MCU processing control module 7, a Wiegand signal acquisition module 8, a temperature Measuring module 9 and liquid crystal display module 10.
[0055] The Wiegand signal acquisition module collects the flow information in the pipeline, and the output terminal of the Wiegand signal acquisition module is connected to the I / O port signal of the MCU processing control module; the temperature measurement module collects the inlet water temperature and the return water temperature respectively; the button control module The output end of the MCU is connected to the I / O port signal of the MCU processing control module; the input end of the liquid crystal display ...
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