Hospital patient monitoring system based on internet of things

Abstract

The invention discloses a hospital patient monitoring system based on the internet of things. The system comprises a signal receiving circuit, a steady-state differential circuit and a constant voltage output circuit; the signal receiving circuit receives a signal of a signal transmission channel input end for a control terminal in the hospital patient monitoring system based on the internet of things, a duplex filter circuit formed by an inductor L1, a capacitor C1, a capacitor C2, a resistor R1, an inductor L2 and a capacitor C3 filters out high-frequency interference and low-frequency interference, the steady-state differential circuit receives a signal receiving circuit output signal, the signal is subjected to fixed pulse width shaping by applying a steady-state circuit formed by a triode Q1, a triode Q2, a capacitor C7 and a capacitor C8, the signal is precisely amplified by applying a differential comparison circuit formed by an operational amplifier AR2, an operational amplifier AR1 and an operational amplifier AR3, and finally the constant voltage output circuit applies a triode constant voltage circuit formed by a triode Q5 and a voltage-regulator tube D3 to stabilize voltage and then output the voltage. The signal can be automatically calibrated, and signal distortion is prevented.

Description

technical field [0001] The invention relates to the field of circuit technology, in particular to a hospital patient monitoring system based on the Internet of Things. Background technique [0002] my country is a country with a large population, and high-quality medical resources are limited, which leads to overcrowding of large hospitals in central cities and brings great challenges to the internal management of hospitals. Due to its specific functions and the requirements of patients' physical rehabilitation, the hospital's internal requirements for the environment, flow of people, There are strict requirements for important ward control, special medical area monitoring and anti-theft. If human management and protection, the cost is high and the efficiency is low. Based on the above hospital management status, the application of wireless sensor network and embedded system technology can target the temperature , blood pressure, doctor visits and other information are collect...

AI Technical Summary

Problems solved by technology

[0002] my country is a country with a large population, and high-quality medical resources are limited, which leads to overcrowding of large hospitals in central cities and brings great challenges to the internal management of hospitals. Due to its specific functions and the requirements of patients' physical rehabilitation, the hospital's internal requirements for the environment, flow of people, There are strict requirements for important ward control, special medical area monitoring and anti-theft. If human management and protection, the cost is high and the efficiency is low. Based on the above hospital management status, the application of wireless sensor network and embedded system technology can target the temperature , blood pressure, doctor visits and other information are collected, and the collected information is transmitted to the central node in a multi-hop relay mode, and forwarded to the monitoring machine to complete data processing and reception, providing low-cost, high-reliability, and high-speed patient monitoring Monitoring system, in order to realize the intelligent management of the hospital;

[0003] However, there are often many patients in hospitals, and they carry many electronic devices. In the process of complex network information exchange, it is necessary to ensure that the signals in the signal transmission channel of the control terminal in the hospital patient monitoring system based on the Internet of Things can be stable in real time. Stable and efficient transmission, avoiding signal distortion due to interference of various electronic devices or electromagnetic interference between numerous signals, causing unimaginable losses to hospitals or patients

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