CN104398255A - Portable electrocardio measurement device - Google Patents

Abstract

The invention discloses a portable electrocardiogram measuring device, which is characterized in that it comprises: three frequency acquisition modules, a first amplification module, a shielding driving module, a right leg driving module, a waveform extraction module, a second amplification module, a processor, display, bluetooth module and terminal equipment; the three frequency acquisition modules are respectively located at the pulse taking places of the arms and thighs of the human body, and the three frequency acquisition modules are connected with the first amplification module, the shielding drive module and The right leg drive module is respectively connected to the first amplification module, the first amplification module, the waveform extraction module, the second amplification module, the processor and the display are connected in sequence, and the Bluetooth The module is connected to the processor, and the bluetooth module is wirelessly connected to the terminal equipment. The device overcomes the disadvantage of difficulty in remote monitoring during measurement.

Description

A portable electrocardiogram measuring device

technical field

The invention relates to an electrocardiogram detection device, in particular to a portable electrocardiogram measurement device.

Background technique

The heart is the core of the human circulatory system, and the activity of the heart is mechanical contraction triggered by bioelectrical signals. In the three-dimensional space conductor of the human body, this bioelectrical signal can spread to all parts of the human body and produce regular potential changes on the human body surface. Electrodes are placed at a certain position on the body surface of the human body, and the electrical signals are amplified and recorded in time sequence, and a continuous and orderly curve can be obtained, which is the electrocardiogram.

Electrocardiogram is a commonly used auxiliary means in clinical disease diagnosis. The ECG data acquisition system is the key component of the ECG apparatus. The main frequency range of human ECG signal is 0.05Hz-100Hz, the amplitude is about 0-4mV, and the signal is very weak. Since the ECG signal is usually mixed with other bioelectrical signals, coupled with the interference of the electromagnetic field in vitro, which is dominated by 50Hz power frequency interference, the ECG noise background is strong and the measurement conditions are relatively complicated. In order to detect clean ECG signals with clinical value without distortion, the ECG data acquisition system is often required to have the performance of high precision, high stability, high input impedance, high common-mode rejection ratio, low noise and strong anti-interference ability.

Although the common hospital ECG measuring instrument has the advantages of high precision and high stability, it is expensive, bulky, difficult to move, remote monitoring is extremely difficult, and it is not suitable for daily use by the general public.

The information disclosed in this Background section is only for enhancing the understanding of the general background of the present invention and should not be taken as an acknowledgment or any form of suggestion that the information constitutes the prior art that is already known to those skilled in the art.

Contents of the invention

The purpose of the present invention is to provide a portable electrocardiogram measuring device, so as to overcome the disadvantage of difficulty in remote monitoring during measurement.

To achieve the above object, the present invention provides a portable ECG measuring device, comprising: three frequency acquisition modules, a first amplification module, a shielding drive module, a right leg drive module, a waveform extraction module, a second amplification module, a processor , a display, a bluetooth module, and a terminal device; the three frequency acquisition modules are respectively located at the pulse-taking places of the arms and thighs of the human body, and the three frequency acquisition modules are connected to the first amplification module, and the shielding drive module and the right leg drive module are respectively connected with the first amplification module, the first amplification module, the waveform extraction module, the second amplification module, the processor and the display are connected in sequence, and the The bluetooth module is connected to the processor, and the bluetooth module is wirelessly connected to the terminal equipment.

In the above technical solution, the waveform extraction module is a filter notch filter.

In the above technical solution, the terminal device is a mobile phone, a tablet computer or a computer.

In the above technical solution, the processor is an STM32 single-chip microcomputer.

Compared with the prior art, the present invention has the following beneficial effects: the portable electrocardiogram measuring device in the present invention transmits the waveform diagram to the terminal device through the bluetooth module, so that the patient's electrocardiogram can be remotely monitored.

Description of drawings

Fig. 1 is a schematic structural diagram of a portable electrocardiogram measuring device according to the present invention.

Detailed ways

The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

As shown in Figure 1, a portable ECG measuring device according to a specific embodiment of the present invention includes: three frequency acquisition modules 10, a first amplification module 20, a shielding driving module 90, a right leg driving module 100, and a waveform extraction module 30, the second amplifying module 40, processor 50, display 60, bluetooth module 70 and terminal equipment 80; Connected with the first amplification module 20, the shield driving module 90 and the right leg driving module 100 are respectively connected with the first amplification module 20, the first amplification module 20, the waveform extraction module 30, the second amplification module 40, the processor 50 and the display 60 In sequence, the Bluetooth module 70 is connected to the processor 50 , and the Bluetooth module 70 is wirelessly connected to the terminal device 80 . In this embodiment, the waveform extraction module 30 is a filter trap, the terminal device 80 is a mobile phone or a tablet computer or a computer, and the processor 50 is an STM32 single-chip microcomputer.

The principle of the above-mentioned portable ECG measurement device is to collect the ECG frequency signals of the human body through three frequency acquisition modules 10, then amplify them through the first amplification module 20, and eliminate noise interference through the right leg drive module 100 and shield the drive module 90 at the same time. Reduce signal interference, and then extract the human body's ECG frequency signal (the human body's ECG frequency is 0.05Hz-100100Hz) through the waveform extraction module 30, and further process the extracted ECG frequency signal through the second amplification module 40 through the processor 50 Afterwards, it is displayed by the display 60, and in this embodiment, the processor 50 sends the terminal device 80 through the bluetooth module 70 after processing, because the terminal device 80 is a device that is easier to carry such as a mobile phone or a tablet computer, therefore, the guardian can monitor in real time The patient's electrocardiogram.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. These descriptions are not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application, thereby enabling others skilled in the art to make and use various exemplary embodiments of the invention, as well as various Choose and change. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims (4)

1. A portable electrocardiogram measuring device is characterized in that, comprising: three frequency acquisition modules, the first amplification module, shielding drive module, right leg drive module, waveform extraction module, the second amplification module, processor, display, Bluetooth module and terminal equipment; the three frequency acquisition modules are respectively located at the pulse-taking places of the arms and thighs of the human body, and the three frequency acquisition modules are connected to the first amplification module, and the shielding drive module and the The right leg driving module is respectively connected with the first amplifying module, the first amplifying module, the waveform extraction module, the second amplifying module, the processor and the display are connected in sequence, and the bluetooth module is connected with the The processor is connected, and the bluetooth module is wirelessly connected to the terminal device. 2. The portable electrocardiogram measuring device according to claim 1, wherein the waveform extraction module is a filter trap. 3. The portable electrocardiogram measuring device according to claim 1, wherein the terminal device is a mobile phone or a tablet computer or a computer. 4. The portable electrocardiogram measuring device according to claim 1, wherein the processor is a STM32 single-chip microcomputer.