Infusion speed and temperature controller
A dual-controller, infusion set technology, applied in the directions of flow monitors, hypodermic injection devices, and devices introduced into the body, etc. problems, to achieve the effect of safe and reliable infusion, improve safety and reliability
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[0019] Such as figure 1 As shown, the voltage of the external power supply 1 is DC 12V, which is responsible for supplying the working energy of the entire device, and is also responsible for supplying energy for charging the Ni-MH battery 2 (voltage 7.2V). When the system has no external power supply 1, the nickel metal hydride battery 2 can also be responsible for the normal operation of the whole device for more than 4 hours. The main microcontroller 3 is driven by the clock signal provided by the clock module 4 to work, and is the control center of the entire device, responsible for controlling the coordination of all input and output function modules. In this embodiment, the main microcontroller 3 adopts an Atmega32 chip, that is, an 8-bit AVR microcontroller with a 32KB programmable Flash. The operation button 5 is connected with the main micro-controller 3 and is the input module of the whole device. All the control command parameters of the human-machine interaction a...
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