Traditional Chinese Practical Music Blood Pressure Monitor: Circuit Design, Parts List & Workshop Prototype Guide

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In short: Traditional Chinese Practical Music Blood Pressure Monitor. This entry documents a circuit & prototype taken from Chinese practical-technology literature, written for small-scale makers and home producers. The text below is the full English translation of the original Chinese workshop notes, covering materials and quantities, the step-by-step sequence, and the practical cautions recorded in the source. Roughly 1552 words of English technical text, translated and preserved without editing. It is intended for experimental and reference use, not for regulated or commercial certification.

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music blood pressure monitorThe music blood pressure monitor is made of a music integrated block C2851AE and a mercury blood pressure monitor. It not only observes the patient's blood pressure at any time, but also can alarm when it exceeds the normal range.The schematic diagram of the blood pressure monitor circuit is shown in Figure 31-1. Assume normal blood pressure is 50~100mmHg. Insert a copper wire into the upper end of the glass tube of the mercury sphygmomanometer and extend it to 100mmHg as an electrode (K1). When the blood pressure exceeds 100mmHg, the mercury will conduct K1, the integrated circuit will work, and the speaker BL and the light-emitting diode VD will give out sound and light to alarm people.Figure 31-1Figure 31-2In the same principle, another electrode K2 is set on the wall of the mercury pot. When the blood pressure drops below 50mmHg, the mercury returns to the mercury kettle from the glass tube, and the liquid level in the mercury kettle rises. K connects the integrated circuit through the mercury and K2 to work the same way. The contacts of K1 and K2 electrodes should be movable and adjustable so that the blood pressure alarm range can be selected according to clinical requirements. …

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