Active electrocardiogram lead signal cable and electrocardiogram signal transmission method
A signal cable and electrocardiogram technology, which is applied in the field of biological measurement, can solve the problems of large error, unstable electrocardiographic signal collected by electrocardiograph, and easy interference of lead cable electrocardiogram by other electromagnetic waves.
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no. 1 example
[0038] see figure 1, is a schematic structural view of the active electrocardiogram lead signal cable in the first embodiment of the present invention, including a cable main body and an electrode module 10, an instrument amplifier 20 and a plug-in module arranged on the cable main body, wherein:
[0039] The electrode module 10 is arranged at the input end of the cable body and is used for sensing potential to generate ECG signals. In this embodiment, the electrode module 10 is placed close to the human body so as to accurately sense the potential of the human body and generate ECG signals.
[0040] The input terminal of the instrumentation amplifier 20 is electrically connected to the electrodes, so that the electrocardiographic signal sensed by the electrode module 10 is transmitted to the instrumentation amplifier 20, and the instrumentation amplifier 20 is used for gaining the electrocardiographic signal. In this embodiment, the gain effect is 101 times, it is understanda...
no. 2 example
[0045] see Figure 2 to Figure 6 , shows a schematic structural diagram of the active ECG lead signal cable in the second embodiment of the present invention, the active ECG lead signal cable in this embodiment is basically the same as the active ECG lead signal cable in the first embodiment Same, except that:
[0046] The electrode module 10 includes a pair of electrodes 101, and the two electrodes 101 are respectively connected to the positive input terminal or the negative input terminal of the instrumentation amplifier 20 through a voltage follower 60, and the output terminal of the instrumentation amplifier 20 is electrically connected to the input terminal of the bandpass filter 60. connection, the output end of the band-pass filter 60 is electrically connected to the input end of the linear optocoupler unit 30, and the isolated power supply unit 50 is electrically connected to the voltage follower 60 and the band-pass filter 60 respectively. In this embodiment, please r...
no. 3 example
[0062] see Figure 7 , the present invention also provides a kind of electrocardiogram signal transmission method based on active electrocardiogram lead signal cable, and this electrocardiogram signal transmission method comprises the following steps:
[0063] S1: the isolated power supply unit 50 supplies power to the instrumentation amplifier 20 and the linear optocoupler unit 30 through the main body of the cable;
[0064] S2: the electrode module 10 senses the potential of the human body and generates an electrocardiographic signal;
[0065] S3: the instrumentation amplifier 20 receives the ECG signal transmitted by the electrode module 10, and performs gain processing on the ECG signal;
[0066] S4: The amplified ECG signal is transmitted to the linear optocoupler unit 30 , and then transmitted to the electrocardiograph 40 after signal isolation processing by the linear optocoupler unit 30 .
[0067] According to the above-mentioned electrocardiographic signal transmiss...
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