CN205054213U - Waistband formula electrocardio heart impedance monitoring system - Google Patents

Abstract

The utility model discloses a belt-type ECG heart impedance monitoring system, which includes a circuit part and a structural part, and is characterized in that the circuit part includes a power management module, a local storage module, a signal acquisition module and a wireless communication module; the power management module Connect the local storage module, the signal acquisition module and the wireless communication module respectively. The utility model proposes a belt-type, low power consumption, multi-functional integrated monitoring sensor system that can simultaneously monitor the user's electrocardiogram, cardiac impedance, respiration, body temperature and exercise state, which can not only accurately reflect the user's different exercise states Excellent electrical conductivity and mechanical pumping performance of the heart, while avoiding the shackles of lead wires in traditional monitoring equipment, greatly improving the comfort of wearing.

Description

A belt-type ECG heart impedance monitoring system

technical field

The utility model relates to a monitoring system, in particular to a belt-type ECG monitoring system.

Background technique

Cardiovascular chronic diseases have become the main disease that threatens human health. Heart disease is one of the three major diseases (heart disease, cerebrovascular disease and cancer) that cause human death. It is very necessary to carry out wearable dynamic continuous monitoring. The existing Holter electrocardiograph can only monitor the electrical performance of the heart, but cannot dynamically monitor the pumping ability of the heart, and cannot reflect the electrical properties of the heart of the user in different exercise states. Conductivity and mechanical pumping performance, and the lead wire will also cause certain constraints on the user's daily activities.

Utility model content

The purpose of this utility model is to provide a belt-type electrocardiogram and cardiac impedance monitoring system to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A belt-type ECG heart impedance monitoring system, including a circuit part and a structural part, the circuit part includes a power management module, a local storage module, a signal acquisition module and a wireless communication module; the power management module is respectively connected to the local storage module, the signal acquisition module module and wireless communication module;

The structural part includes a casing and a charging indicator light, a connection indicator light, an ECG interface, an ICG interface, a switch and an SD card installed on the casing.

As a preferred solution of the present utility model: the power management module includes Palm wireless charging receiving circuit, MAX8808 charging management module, 200mAh lithium-ion battery, TPS73201 voltage conversion module and TPS62730 voltage conversion module, and the MAX8808 charging management module is respectively connected to Palm wireless charging The receiving circuit and the 200mAh lithium-ion battery are also connected to the TPS73201 voltage conversion module and the TPS62730 voltage conversion module respectively.

As a preferred solution of the present invention: the local storage module is a MicroSD card.

As a preferred solution of the present utility model: the wireless communication module is a BLE113 Bluetooth low energy protocol stack.

As a preferred solution of the utility model: the signal acquisition module includes an integrated MPU6050 type 6-axis motion processing component, an NTC thermistor Wheatstone bridge, an ADS1292R single-chip microcomputer, and electrocardiogram and cardiac impedance electrodes.

As a preferred solution of the present utility model: a wireless charging coil is also provided inside the casing.

Compared with the prior art, the beneficial effect of the utility model is: the utility model proposes a belt-type, low power consumption, multi-functional integrated device that can simultaneously monitor the user's ECG, cardiac impedance, respiration, body temperature and exercise status. The monitoring sensor system can not only accurately reflect the electrical conduction performance and mechanical pumping performance of the user's heart under different exercise states, but also avoid the constraints of lead wires in traditional monitoring equipment and greatly improve the wearing comfort.

Description of drawings

Fig. 1 is the structural block diagram of the circuit part of the utility model;

Fig. 2 is a structural diagram of the utility model;

In Figure 2: 1-charging indicator light, 2-connection indicator light, 3-working indicator light, 4-switch, 5-SD card, 6-EGC interface, 7-IGC interface, 8-casing.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, a kind of belt-type electrocardiogram cardiac impedance monitoring system, comprises circuit part and structural part, and described circuit part comprises power management module, local memory module, signal acquisition module and wireless communication module; Power management module connects local respectively storage module, signal acquisition module and wireless communication module;

The structural part includes a casing 8 and a charging indicator light 1 , a connection indicator light 2 , a working indicator light 3 , an ECG interface 6 , an ICG interface 7 , a switch 4 and an SD card 5 installed on the casing.

The power management module includes Palm wireless charging receiving circuit, MAX8808 charging management module, 200mAh lithium-ion battery, TPS73201 voltage conversion module and TPS62730 voltage converting module, and the MAX8808 charging management module is connected to Palm wireless charging receiving circuit and 200mAh lithium-ion battery, The ion battery is also connected to the TPS73201 voltage conversion module and the TPS62730 voltage conversion module respectively. The local storage module is a MicroSD card. The wireless communication module is BLE113 Bluetooth low energy protocol stack. The signal acquisition module includes integrated MPU6050 6-axis motion processing components, NTC thermistor Wheatstone bridge, ADS1292R single-chip microcomputer and ECG and cardiac impedance electrodes. The casing 8 is also provided with a wireless charging coil.

The working principle of the utility model is: the utility model proposes a heart impedance detection method. This method adopts the four-electrode method in which the excitation electrode and the detection electrode are separated, and an alternating constant current source is added to the two ends of the waist of the human body through the excitation electrode. The excitation current adopts a square wave signal with a frequency of 64kHz and an amplitude of 0.1mA, and then The voltage signal induced by the aortic blood flow is detected by the detection electrode located in the middle of the excitation electrode. The voltage signal is extracted by the hold switch demodulator to extract the impedance change signal of the aortic blood flow, and the signal is first-order differentiated and negative , the cardiac impedance signal can be obtained.

This design is mainly divided into four modules: signal acquisition module, wireless communication module, power management module and local storage module. The signal acquisition module completes the acquisition tasks of ECG signals, cardiac impedance signals, body temperature signals, acceleration signals and angular velocity signals. The wireless communication module is not only a microcontroller of the circuit, but also can realize data communication with a PC or any mobile device that supports the Bluetooth protocol through the Bluetooth 4.0 low-power protocol. The power management module mainly completes the wireless charging and voltage conversion functions of the lithium-ion battery. The local storage module uses the MicroSD card to store the collected data locally, the main controller reads and writes the MicroSD card through the SPI interface, and uses the FAT32 format file system to store the collected data in the MicroSD card for future data management and analysis.

This design adopts a belt-type structure, which can be easily fixed on the waist, and the test electrodes are distributed and fixed on the inside of the belt, so it is very convenient to use and will not affect normal movement.

Claims (6)

1. a waistband type electrocardio cardiac impedance monitoring system, comprises circuit part and structure division, it is characterized in that, described circuit part comprises power management module, local memory module, signal acquisition module and wireless communication module; Power management module connects local memory module, signal acquisition module and wireless communication module respectively;

Described structure division comprises casing and is arranged on charging indicator light in casing, connects display lamp, ECG interface, ICG interface, switch and SD card.

2. a kind of waistband type electrocardio cardiac impedance monitoring system according to claim 1, it is characterized in that, described power management module comprises Palm wireless charging receiving circuit, MAX8808 charge management module, 200mAh lithium ion battery, TPS73201 voltage transformation module and TPS62730 voltage transformation module respectively, MAX8808 charge management module connects Palm wireless charging receiving circuit and 200mAh lithium ion battery respectively, and 200mAh lithium ion battery also connects TPS73201 voltage transformation module and TPS62730 voltage transformation module respectively.

3. a kind of waistband type electrocardio cardiac impedance monitoring system according to claim 1, it is characterized in that, described local memory module is MicroSD card.

4. a kind of waistband type electrocardio cardiac impedance monitoring system according to claim 1, it is characterized in that, described wireless communication module is BLE113 Bluetooth Low Energy protocol stack.

5. a kind of waistband type electrocardio cardiac impedance monitoring system according to claim 1, it is characterized in that, described signal acquisition module comprises conformability MPU6050 type 6 axle motion process assembly, NTC thermistor Wheatstone bridge, ADS1292R type single-chip microcomputer and electrocardio and cardiac impedance electrode.

6. a kind of waistband type electrocardio cardiac impedance monitoring system according to claim 1, it is characterized in that, described casing internal is also provided with Wireless charging coil.