Heart rate detecting device
A detection device and technology for heart rate, which are used in telemetry patient monitoring, diagnostic recording/measurement, medical science, etc., can solve the problems of inconvenient physical detection, inability to retain detection data, and unfavorable heart rate evaluation of patients, and achieve low cost and labor saving. Effect
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[0022] In order to express the present invention more clearly, the present invention will be further described below in conjunction with the accompanying drawings.
[0023] refer to Figure 1-2 , the heart rate detection device of the present invention includes a finger clip (not shown in the figure), a signal acquisition and amplification circuit 131, a single-chip microcomputer 2, a WIFI module 3 and an intelligent APP6 installed on a smart device 5, the finger clip is connected to a display screen 7, and the finger A battery 4 is installed in the folder; the battery 4 is electrically connected to the signal acquisition and amplification circuit 131, the single-chip microcomputer 2 and the WIFI module 3 respectively;
[0024] The signal acquisition and amplification circuit 131 includes an acquisition circuit 11, a reception detection circuit 12, an amplification circuit 13 and a voltage comparator circuit 14; the acquisition circuit 11 includes a triode Q1, an infrared diod...
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