CN103908247A - Wearable real-time electrical signal acquisition device - Google Patents

Abstract

The invention relates to a wearable ECG signal real-time acquisition device, which is characterized in that: it comprises a wearable vest, and a plurality of bandages are arranged at intervals in the inner side of the vest; an embedded controller is fixedly arranged on any bandage, and A micro-motor for adjusting the tightness of the bandage is set at the joint of the bandage, more than one ECG collecting electrode is set movable on the bandage and a buzzer is fixedly set, a pressure sensor is set on the ECG collecting electrode, the micro-motor, the pressure sensor and the buzzer are all It is connected to the embedded controller through wires; the pressure sensor detects the contact pressure between the ECG acquisition electrode and the subject's skin, and transmits the detected pressure signal to the embedded controller, which controls the micro-motor adjustment The tightness of the bandage; when there is a problem with the contact between the ECG acquisition electrode and the subject's skin, the buzzer will alarm to remind the subject to check the corresponding ECG acquisition electrode. The invention can be widely used in the collection of human body electrocardiogram signals.

Description

A wearable real-time ECG signal acquisition device

technical field

The invention relates to an electrocardiographic signal acquisition device, in particular to a wearable real-time electrocardiographic signal acquisition device.

Background technique

With the rapid development of the global economy and the continuous improvement of human living standards, people are paying more and more attention to their own health, and with the increasing aging of the world population and the increasing number of sub-healthy people, family health monitoring of the human body become a trend of today's era.

Heart disease is the number one killer of human health. It has the characteristics of suddenness and transientness. Electrocardiogram is an important basis for the diagnosis of heart disease. However, the current ECG machines in hospitals can no longer meet the needs of patients for long-term ECG monitoring. In order to record the patient's ECG information in real time and diagnose the patient's heart disease in time, a portable Holter (dynamic electrocardiogram) device is currently used, which can collect the patient's ECG signal 24 hours a day, and the collected The ECG signal is stored in the Flash memory, but the device cannot analyze the patient's ECG signal in real time. And present electrocardiogram acquisition device is directly pasted on patient's body with disposable electrode usually, and this connection mode can make patient feel uncomfortable, uses this disposable pasted electrode for a long time and can cause symptoms such as skin inflammation in patient. A kind of ECG signal collection clothing that exists at present can solve the problem that disposable electrodes make patients feel uncomfortable, but this ECG signal collection clothing cannot adjust the contact degree between the electrode sheet and the patient's skin in real time, and the patient's It will feel uncomfortable, and the electrode sheet cannot accurately collect the ECG signal of the human body when the contact degree is small. And when there is a problem with the contact between the electrode sheet and the patient's skin, the ECG signal collection clothing cannot prompt the patient.

Contents of the invention

In view of the above problems, the purpose of the present invention is to provide a wearable ECG signal real-time acquisition device with good contact and high comfort. When the device is in use, it can be in good contact with the patient's skin, and once there is a problem with the contact, the device patients can be warned.

In order to achieve the above object, the present invention adopts the following technical solutions: a wearable ECG signal real-time acquisition device, characterized in that: it includes a wearable vest, a number of bandages are arranged at intervals in the inner side of the vest; An embedded controller is fixedly arranged on the bandage, a micro-motor for adjusting the tightness of the bandage is arranged at the junction of each bandage, and more than one electrocardiogram collecting electrode is movably arranged on each bandage , a pressure sensor is set on each of the electrocardiographic collection electrodes, and the micro-motor and the pressure sensor are all connected to the embedded controller through wires; The contact pressure between the skin of the patient is detected, and the detected pressure signal is transmitted to the embedded controller, and the embedded controller compares the received pressure signal with the preset comfortable pressure range of the clothing, According to the comparison result, the embedded controller generates a motor control signal and transmits it to the micro motor, and the micro motor adjusts the tightness of the bandage according to the received motor control signal, and the pressure sensor continuously detects the heart rate. Electrically collect the contact pressure between the electrode and the subject's skin until the pressure signal detected by the pressure sensor meets the preset comfortable pressure range of the clothing, and the embedded controller stops sending motor control signals to the micro-motor .

A buzzer is fixedly arranged on each of the bandages, and the buzzer is connected to the embedded controller through a wire; the ECG collecting electrodes transmit the collected ECG signals to the ECG signal processing device After processing, it is transmitted to the PC through the wireless sensor network for display, and according to the display result of the ECG signal, the PC judges the abnormal ECG collection electrode, and feeds back to the ECG signal processing device through the wireless sensor network After the ECG signal processing device transmits the received information to the embedded controller for processing, the embedded controller generates an alarm signal and transmits it to the buzzer, and the buzzer alarm prompts the received The tester checks the electrocardiogram collecting electrodes located on the same bandage.

The electrocardiogram collection electrode includes conductive fabric, foam pad, velcro and metal snap; the foam pad is fixedly arranged on one side of the conductive fabric, the velcro is fixedly arranged on the foam pad, and the metal The snap button is fixedly connected to the conductive fabric after passing through the velcro and the foam pad in sequence; Disassembled active electrodes.

The conductive fabric, the foam pad, the Velcro button and the metal snap button all adopt a circular structure, and the diameter of the conductive fabric is the largest, and its diameter is set at 7 mm to 10 mm.

The pressure sensor is fixedly arranged on the outer periphery of the conductive fabric, and is located on a side of the conductive fabric in contact with the foam pad.

The present invention has the following advantages due to the adoption of the above technical scheme: 1. In the present invention, a number of bandages are set in a wearable vest inner laterally spaced ring, and an embedded controller is fixedly arranged on any bandage, and at the junction of each bandage A micro-motor for adjusting the tightness of the bandage is provided, and more than one electrocardiogram collecting electrode is movable on each bandage, and a pressure sensor is arranged on each electrocardiogram collecting electrode, and the micro-motor and the pressure sensor are connected to each other through wires. The embedded controller is connected; the pressure sensor detects the contact pressure between the ECG acquisition electrode and the subject's skin, and transmits the detected pressure signal to the embedded controller for comparison with the preset clothing comfortable pressure range. Comparison, according to the comparison result, the embedded controller generates a motor control signal and transmits it to the micro motor, and the micro motor adjusts the tightness of the bandage, and the pressure sensor continuously detects the contact pressure between the ECG acquisition electrode and the subject's skin until the pressure The pressure signal detected by the sensor satisfies the preset comfortable pressure range of the clothing, and the embedded controller stops sending the motor control signal to the micro-motor, so the present invention can adjust the tightness of the bandage in real time, thereby ensuring that the electrocardiogram collection electrodes are in good contact with the subject. Good contact with the skin and comfort of the invention. 2. In the present invention, a buzzer is also fixedly arranged on each bandage, and the buzzer is connected with the embedded controller through a wire; The sensor network is transmitted to the PC for display. According to the display result of the ECG signal, the PC judges the abnormal ECG collection electrode, and feeds back the abnormal information to the embedded controller through the wireless sensor network and the ECG signal processing device for further processing. processing, an alarm signal is generated by the embedded controller and transmitted to the corresponding buzzer, and the buzzer alarm prompts the subject. Provide early warning, thereby helping to find the problematic ECG acquisition electrodes. 3. In the present invention, since the ECG collecting electrodes are movable on the wearable vest, the ECG collecting electrodes are easy to disassemble, and the collected human ECG signals are transmitted to the PC in real time by the ECG collecting electrodes for monitoring, so the present invention is easy to use , good real-time performance and high comfort. Based on the above advantages, the present invention can be widely used in the collection process of human electrocardiogram signals.

Description of drawings

Fig. 1 is the overall structural representation of the present invention

Figure 2 is a schematic diagram of the structure of the ECG acquisition electrode

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

As shown in Fig. 1 and Fig. 2, the wearable ECG signal real-time acquisition device of the present invention comprises a wearable vest 1, and a plurality of bandages 2 are set in the inner lateral interval of the vest 1; type controller 3, a micro-motor 4 for adjusting the tightness of the bandage 2 is arranged at the junction of each bandage 2, and more than one electrocardiogram collecting electrode 5 is set movably on each bandage 2, and on each electrocardiogram collecting electrode 5 Each is provided with a pressure sensor 6 . Both the micro motor 4 and the pressure sensor 6 are connected with the embedded controller 3 through wires.

The pressure sensor 6 detects the contact pressure between the electrocardiographic collection electrode 5 and the subject's skin, and transmits the detected pressure signal to the embedded controller 3 through a wire, and the embedded controller 3 transmits the received pressure signal Compared with the preset comfortable pressure range of clothing: 1.96kPa～3.92kPa, according to the comparison result, the embedded controller 3 transmits the generated motor control signal to the micro motor 4, and the micro motor 4 adjusts according to the received motor control signal The tightness of bandage 2. The pressure sensor 6 continuously detects the contact pressure between the electrocardiographic acquisition electrode 5 and the subject's skin until the pressure signal detected by the pressure sensor 6 meets the preset comfortable pressure range of the clothing, and the embedded controller 3 stops feeding the micromotor 4. Send motor control signal.

In the above embodiment, as shown in FIG. 1 , a buzzer 7 is fixedly installed on each bandage 2 , and the buzzer 7 is connected to the embedded controller 3 through wires. The ECG collection electrode 5 transmits the collected weak ECG signal to the ECG signal processing device (not shown in the figure) arranged outside the wearable vest 1 through the lead wire for processing, and then transmits it through the wireless sensor network to a PC (not shown in the figure) for display. If the ECG signal displayed on the PC is abnormal due to the bad contact between the ECG collecting electrode 5 and the subject's skin, then the PC judges that there is an abnormal ECG collecting electrode 5, and the abnormal ECG collecting electrode 5 will appear The information is fed back to the ECG signal processing device through the wireless sensor network. The ECG signal processing device transmits the information of the abnormal ECG collecting electrode 5 to the embedded controller 3 through the lead wire, and the embedded controller 3 processes the received information of the abnormal ECG collecting electrode 5 , generate an alarm signal and transmit it to the corresponding buzzer 7, and the buzzer 7 alarms to remind the subject to check the ECG collecting electrodes 5 on the same bandage 2.

In the above embodiment, as shown in FIG. 2 , the ECG collecting electrode 5 includes a conductive fabric 8 , a foam pad 9 , a velcro 10 and a metal snap 11 . Wherein, the foam pad 9 is fixedly arranged on one side of the conductive fabric 8, the Velcro button 10 is fixedly arranged on the foam pad 9, and the metal snap button 11 is fixedly connected to the conductive fabric 8 after passing through the Velcro button 10 and the foam pad 9 in turn. The ECG collection electrode 5 is bonded to the inner side of the bandage 2 through the Velcro 10, so that the ECG collection electrode 5 becomes a detachable movable electrode. When the wearable vest 1 is cleaned, the ECG collection electrode 5 can be removed, thereby extending the The service life of electrocardiogram collecting electrode 5. The metal snap button 11 of the ECG collecting electrode 5 is connected with the ECG signal processing device through a lead wire. When using the ECG collection electrode 5 to collect the ECG signal of the human body, the ECG signal of the corresponding part of the subject can be obtained by contacting the conductive fabric 8 with the subject's skin.

In the above embodiment, as shown in Figure 2, the conductive fabric 8, the foam pad 9, the Velcro 10 and the metal snap button 11 all adopt a circular structure, and the diameter of the conductive fabric 8 is the largest, and is set at 7mm-10mm.

In the above embodiment, as shown in FIG. 2 , the pressure sensor 6 is fixedly arranged on the outer periphery of the conductive fabric 8 and is located on the side of the conductive fabric 8 in contact with the foam pad 9 .

The above-mentioned embodiments are only used to illustrate the present invention, wherein the structure, connection mode and method steps of each component can be changed to some extent, and any equivalent transformation and improvement carried out on the basis of the technical solution of the present invention should not be used. excluded from the protection scope of the present invention.

Claims (6)

1. a Wearable electrocardiosignal real-time acquisition device, is characterized in that: it comprises a wearable vest, and inside described vest, lateral separation ring is established some binders; On arbitrary described binder, be fixedly installed an embedded controller, described in each, the junction of binder is provided with one for regulating the micromachine of described binder degree of tightness, described in each, on binder, all activity arranges more than one electrocardiogram acquisition electrode, one pressure transducer is all set on electrocardiogram acquisition electrode described in each, and described micromachine is all connected with described embedded controller by wire with pressure transducer;

Described pressure transducer detects the contact pressure between described electrocardiogram acquisition electrode and experimenter's skin, and the pressure signal detecting is transferred to described embedded controller, described embedded controller compares the pressure signal receiving and the comfortable pressure limit of default clothing, according to comparative result, described embedded controller produces motor control signal and transfers to described micromachine, described micromachine regulates the tightness of described binder according to the motor control signal receiving, described pressure transducer continues to detect the contact pressure between described electrocardiogram acquisition electrode and experimenter's skin, until the pressure signal that described pressure transducer detects meets the pressure limit that default clothing are comfortable, described embedded controller stops sending motor control signal to described micromachine.

2. a kind of Wearable electrocardiosignal real-time acquisition device as claimed in claim 1, is characterized in that: described in each, on binder, be fixedly installed a buzzer, described buzzer is connected with described embedded controller by wire, after described electrocardiogram acquisition electrode transfers to the electrocardiosignal collecting electrocardiogram signal processing device and processes, transfer on PC and show by radio sensing network, according to the demonstration result of electrocardiosignal, there is abnormal described electrocardiogram acquisition electrode in PC judgement, and feed back to electrocardiogram signal processing device by radio sensing network, after electrocardiogram signal processing device is processed the information transmission receiving to described embedded controller, described embedded controller produces an alarm signal and transfers to described buzzer, described buzzer warning prompting experimenter checks the described electrocardiogram acquisition electrode being positioned on same described binder.

3. a kind of Wearable electrocardiosignal real-time acquisition device as claimed in claim 1 or 2, is characterized in that: described electrocardiogram acquisition electrode comprises conductive fabric, foam pad, thread gluing and metal snap-fastener; Described foam pad is fixedly installed on a side of described conductive fabric, and described thread gluing is fixedly installed on described foam pad, and described metal snap-fastener is successively through being fixedly connected on described conductive fabric after described thread gluing and foam pad; Described electrocardiogram acquisition electrode is bonded in described binder inner side by described thread gluing, makes described electrocardiogram acquisition electrode become the float electrode that can dismantle.

4. a kind of Wearable electrocardiosignal real-time acquisition device as claimed in claim 3, it is characterized in that: described conductive fabric, foam pad, thread gluing and metal snap-fastener all adopt circular configuration, the diameter maximum of described conductive fabric, its diameter is set to 7mm～10mm.

5. a kind of Wearable electrocardiosignal real-time acquisition device as claimed in claim 3, is characterized in that: described pressure transducer is fixedly installed in the periphery of described conductive fabric, and is positioned at the side that described conductive fabric contacts with foam pad.

6. a kind of Wearable electrocardiosignal real-time acquisition device as claimed in claim 4, is characterized in that: described pressure transducer is fixedly installed in the periphery of described conductive fabric, and is positioned at the side that described conductive fabric contacts with foam pad.