CN107951473A - Human Physiology information data vest and production method based on graphene flexible sensor - Google Patents

Abstract

The invention discloses a human physiological information data vest based on a graphene flexible sensor and a manufacturing method thereof, belonging to the field of wearable equipment in big data health monitoring. The vest consists of a sensor, a monitoring host, a cotton vest and a remote terminal composition. The monitored indicators include heart rate, respiration, body temperature and ECG information. The distributed sensor collects data and transmits it to the monitoring host, and sends it to the remote monitoring equipment through the host for parameter display and alarm, and evaluates the user's life status according to the index parameters. Medical staff can understand the user's vital status based on the vital sign signal, grasp the injury situation, and decide to implement medical emergency support. The human physiological information data vest based on the graphene flexible sensor provided by the present invention has the advantages of good contact, no resistance, comfortable wearing, prevention of bacterial growth, and easy perspiration.

Description

Human physiological information data vest and manufacturing method based on graphene flexible sensor

technical field

The invention belongs to the field of wearable devices in big data health monitoring, and relates to a human physiological information data vest based on a graphene flexible sensor and a manufacturing method.

Background technique

Although the living standards of the Chinese people have been greatly improved in recent years, the proportion of the population lacking basic self-care awareness and basic medical knowledge is still relatively high. The occurrence of some chronic diseases (such as: diabetes, hepatitis, rheumatism and hemiplegia, etc.) and sudden diseases (such as: stroke, acute renal failure, cerebral apoplexy, etc.) still seriously affect the quality of life of our people and the stability of the national labor supply Sex; this also greatly consumes the country's precious medical resources and the use of medical insurance funds.

With the rapid development of big data and Internet of Things technology, the long-term collection and monitoring of the user's vital sign data through smart sensors will provide the possibility to determine the user's health based on the user's data.

Contents of the invention

In view of this, the object of the present invention is to provide a human body physiological information data vest based on graphene flexible sensors and a manufacturing method, which solves the problems that traditional data vests are not easy to wear and poor comfort; The problem of skin itching or even ulceration caused by the use of data vests provides a new type of physiological information data vests that are small in size, easy to remove sweat from users, have high skin comfort, inhibit bacterial growth, and are not easy to age.

To achieve the above object, the present invention provides the following technical solutions:

The human physiological information data vest based on the graphene flexible sensor includes a vest main body, and also includes a host, a body temperature sensor, an electrocardiogram sensor, a heart rate sensor, and a breathing sensor, and the host is arranged on the vest main body;

The body temperature sensor is arranged at the armpit position of the vest main body;

The ECG sensor is arranged on the chest of the vest main body;

The heart rate and respiration sensors are arranged on the chest of the vest main body;

The body temperature sensor, ECG sensor, heart rate and respiration sensor are all connected to the host;

The host computer is used to provide power for the body temperature sensor, ECG sensor, heart rate sensor, respiration sensor, and wirelessly communicate with the terminal after processing the data collected by the body temperature sensor, ECG sensor, heart rate sensor, and respiration sensor.

Further, the main body of the vest is sewn by elastic cloth.

Further, the heart rate and respiration sensors are graphene stress and strain sensors.

Further, the number of the electrocardiographic sensors is 6, and the electrocardiographic sensors are composed of carbon composite flexible electrodes and metal electrode sheets fixed in fabrics, and the carbon composite flexible electrodes are made of graphene, carbon black, curing agent Composed with PDMS.

Further, the connection circuits between the body temperature sensor, ECG sensor, heart rate, respiration sensor and the host are fixed on the vest main body through fabric fibers.

Further, the host computer includes a power supply, an analysis processing circuit and a communication module I, and the analysis processing module is used to process data information from the body temperature sensor, ECG sensor, heart rate sensor, and respiratory sensor, and transmit the data information to the communication module I. module, and the communication module wirelessly transmits data information to the terminal.

Further, the terminal includes a mobile control terminal, an analysis control APP and a communication module II, the communication module II receives data information from the communication module I, and transmits the data information to the mobile control terminal, and the mobile control terminal The terminal organizes the data information and transmits the data information to the analysis and control APP, and the analysis and control APP combines the received data information to evaluate the user's health status.

The manufacturing method of the human physiological information data vest based on the graphene flexible sensor comprises the following steps:

S1: Fix the signal transmission line in the data vest fabric according to the collection position of the sensor;

S2: placing the metal electrode on a preset position;

S3: Proportioning graphene and carbon black, then dissolving it in PDMS, and finally adding a curing agent to the solution to make a liquid slurry;

S4: Use the squeegee to evenly print the liquid slurry on the inner and outer sides of the main fabric of the vest centered on the copper electrode;

S5: heating the liquid slurry to make the liquid slurry solidify and form;

S6: Remove the printing tool, and check whether the copper sheet and the carbon composite flexible material are fixed on the main body of the vest.

Further, in step S3, the ratio of graphene and carbon black is 2:1, the ratio of graphene and carbon black dissolved in PDMS is 3%-5%, and the ratio of adding curing agent is 10:1.

Further, in step S5, the heating temperature of the liquid slurry is 80°C.

The beneficial effect of the present invention is: the beneficial effect of the human physiological information data vest based on the carbon composite material printing sensor of the present invention is that: in the home environment or office environment, the user is not prone to skin allergies, suppuration and infection after long-term use and wearing It has good skin touch, can better inhibit the growth of bacteria, is not easy to age, and is easy to maintain. It is suitable for long-term wearing in complex environments.

Description of drawings

In order to make the purpose, technical scheme and beneficial effect of the present invention clearer, the present invention provides the following drawings for illustration:

Fig. 1 is a system block diagram of the data vest of the present invention;

Fig. 2 is a schematic diagram of the system design of the data vest of the present invention;

Fig. 3 is the graphene temperature sensor schematic diagram of data vest of the present invention;

Fig. 4 is the graphene heart rate of data vest of the present invention, respiration sensor schematic diagram;

Fig. 5 is a schematic diagram of the graphene ECG sensor of the data vest of the present invention.

Detailed ways

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The invention is a physiological information data vest which is a flexible electrode compounded by graphene and carbon black and printed on the fabric. As shown in Figure 1, the human physiological information data vest based on the carbon composite printed sensor includes the physiological vest sensor, the host and the remote control device.

The physiological vest sensor is composed of a graphene body temperature sensor 1, a graphene heart rate and respiration sensor 2 and a graphene ECG sensor 3, through which the physiological information of the user is collected.

The host 4 includes a power supply, an analysis and processing circuit, and a communication module. The collected signal is processed by the host and uploaded to the terminal 5. The terminal 5 includes an analysis control APP, a mobile control terminal, and a communication module.

Heart rate, respiration, ECG and body temperature sensors are integrated into a vest, and the vest is sewn with elastic fabric. The body temperature sensor is fixed at the armpit, and the flexible connecting wire is connected to the monitoring host along the armpit. Graphene ECG electrodes are distributed on the chest, which can realize 6-lead ECG monitoring. The heart rate and respiration sensors are graphene stress-strain sensors that can sense respiration and heart beats, and are fixed on the chest of the vest. All sensors are connected with the host computer, which provides the required power, analyzes and processes the detection signals and realizes wireless communication with the remote end.

The core components of ECG sensing electrodes are carbon composite flexible electrodes printed on the fabric and metal electrode sheets fixed in the fabric. The carbon composite flexible electrode is composed of graphene, carbon black, curing agent and PDMS (polydimethylsiloxane), which is attached to the clothing fabric by double-sided printing, and then heated to make the carbon composite flexible electrode Fixed on the clothing fabric; the metal electrode sheet is made of copper sheet, and fixed on the clothing fabric by the cured carbon composite material flexible electrode.

The core component of the heart rate and breathing sensor is the graphene strain sensor. The graphene strain sensor is placed on the position where the physiological vest is facing the user's lungs, and PDMS is used to paint the graphene strain sensor and the fabric of the chest data vest. By heating The graphene strain sensor is fixed on the data vest in the form of .

The core component of the body temperature sensor is a graphene temperature sensor. The graphene temperature sensor is placed at the armpit of the physiological vest, and PDMS is used to paint the graphene temperature sensor and the armpit data vest fabric, and the graphene temperature sensor is heated in the form of heat. The temperature sensor is fixed on the data vest.

Fig. 2 is a schematic diagram of the system design of the data vest of the present invention, as shown in the figure, the connection circuit between the sensor and the host computer is to fix the connection circuit on the clothing with fabric fibers.

The host is composed of analysis processing circuit, power supply and communication module. The main function of the analysis and processing circuit: it is responsible for receiving the input signal of the external sensor, and analyzing the signal by comparing the signal characteristics of the health state in the expert system. The main function of the power supply is to convert the battery voltage into the working voltage required by other modules. The main functions of the communication module: transmit device control signals and upload vital sign signals through the Bluetooth communication module.

Terminal 5 includes analysis control APP, bluetooth communication module and mobile remote control software. The main functions of the analysis control APP: analyze the data uploaded by the host, and evaluate the user's health status in real time according to the physiological health threshold of the expert system. The main functions of the Bluetooth communication module: wireless communication connection with the Bluetooth communication module on the host, upload data and issue control instructions. The main functions of the mobile remote control software: to control the entire system through the GUI interface.

The terminal 5 is used to realize the transmission and synchronization of the application layer control command and the user's vital sign data. The terminal 5 can be a mobile smart device with data display and processing functions such as a smart phone, a tablet computer, and a smart watch.

Fig. 3 is the schematic diagram of the graphene temperature sensor of the data vest of the present invention, wherein 11 is a metal electrode, 12 is a graphene temperature sensor package, 13 is a soft material substrate, and the body temperature sensor is prepared by the following process:

1. According to the collection position of the body temperature signal, the signal transmission line is fixed on the surface of the data vest fabric for suturing and fixing;

2. Place the metal electrodes at the pre-designed armpit position;

3 Mix graphene and carbon black at a ratio of 2:1, then dissolve them into PDMS (polydimethylsiloxane) at a ratio of 5%, and finally add a curing agent at a ratio of 10:1—— into a liquid slurry;

4 Use a squeegee to evenly print the liquid slurry on the graphene temperature sensor as the center and 4 times the area centered on the graphene temperature sensor (use the printing fixture to ensure the correct printing position), and the inner and outer sides of the data vest fabric Printing (to ensure that the paste does not flow on the data vest fabric);

5 Place the data vest in the ironing equipment, heat the above liquid slurry to 80°C, and make it solidify and form;

6. Remove the printing jig from the data vest, so that the data vest has been ironed and flattened when it is taken out of the ironing equipment;

7 Check whether the graphene temperature sensor and carbon composite flexible material are fixed on the data vest by bending test.

Fig. 4 is the graphene heart rate of data vest of the present invention, respiration sensor schematic diagram, wherein 21 is a metal electrode, 22 is a graphene stress sensor package, 23 is a soft material substrate, as shown in the figure, heart rate, respiration sensor is made of following process Prepared from:

1. Fix the signal transmission line on the surface of the data vest fabric according to the collection position of the heart rate and breathing signals for suturing and fixing;

2. Place the metal electrodes on the pre-designed chest position;

3 Mix graphene and carbon black at a ratio of 2:1, then dissolve them into PDMS (polydimethylsiloxane) at a ratio of 5%, and finally add a curing agent at a ratio of 10:1—— into a liquid slurry;

4 Use a squeegee to evenly print the liquid slurry on the strip area with the graphene breathing sensor as the axis and three times the distance of the graphene breathing sensor as the width (use the printing fixture to ensure the correct printing position), and the inside and outside of the data vest fabric Printing on both sides (to ensure that the paste will not flow on the data vest fabric);

5 Place the data vest in the ironing equipment, heat the above liquid slurry to 80°C, and make it solidify and form;

6. Remove the printing jig from the data vest, so that the data vest has been ironed and flattened when it is taken out of the ironing equipment;

7 Through the bending test, check whether the graphene breathing sensor and the carbon composite flexible material are fixed on the data vest.

Fig. 5 is a schematic diagram of the graphene ECG sensor of the data vest of the present invention, wherein 31 is a metal electrode, 32 is a graphene carbon composite printed electrode, and 33 is a vest fabric. As shown in the figure, the ECG sensor is prepared by the following process of:

1 According to the collection position of the distributed ECG signal, the signal transmission line is stitched and fixed on the surface of the data vest fabric;

2 Place the copper sheet electrode with a diameter of 1cm in the pre-designed position;

3 Mix graphene and carbon black at a ratio of 2:1, then dissolve them into PDMS (polydimethylsiloxane) at a ratio of 5%, and finally add a curing agent at a ratio of 10:1—— into a liquid slurry;

4 Use a squeegee to evenly print the liquid slurry on a circular area with a radius of 2cm centered on the copper electrode (use the printing fixture to ensure that the printing position is correct), and print the data vest fabric on both sides inside and outside (to ensure that the slurry does not will flow on the data vest fabric);

5 Place the data vest in the ironing equipment, heat the above liquid slurry to 80°C, and make it solidify and form;

6. Remove the printing jig from the data vest, so that the data vest has been ironed and flattened when it is taken out of the ironing equipment;

7 Check whether the copper sheet and carbon composite flexible material are fixed on the data vest by bending test.

In this embodiment, the carbon composite material printed sensor is made of graphene and carbon black as the core components, and is made of PDMS and other materials, so as to increase the permeability of the user's sweat discharge and skin respiration. The present invention has good Inhibit the growth of bacteria, reduce the stuffy feeling caused by wearing the data vest for a long time, relieve skin discomfort, skin inflammation and even ulceration.

Application scenario 1 of the present invention: the elderly are inconvenient to go out for medical treatment due to their poor mobility. When they feel unwell, they often cannot get early diagnosis of the disease and timely medical assistance. Institutions, when the vital signs data of elderly users match the characteristics of certain diseases in the expert system, the present invention will prompt the elderly users to seek medical treatment in time for disease diagnosis, and at the same time prompt the medical institution personnel to issue registration appointments to the elderly users. Application Scenario 2 of the present invention: Middle-aged people who have been in a sub-health state for a long time and young people who are working overtime at full load wear the present invention. When the user is in a long-term overload work state, the present invention will Enter the overwork monitoring mode. When the user's vital sign data fluctuates abnormally, the user's vital sign data and location information will be sent to the emergency center in time.

Finally, it is noted that the above preferred embodiments are only used to illustrate the technical solutions of the invention and not limit them. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that it may be possible in form and details. Various changes can be made to it without departing from the scope defined by the claims of the present invention.

Claims (9)

1. the Human Physiology information data vest based on graphene flexible sensor, includes vest main body, it is characterised in that：Also wrap Containing host, body temperature transducer, EGC sensor and heart rate, respiration transducer, the host is arranged in the vest main body；

The body temperature transducer is arranged on the transaxillary position of the vest main body；

The EGC sensor is arranged on the vest main body front；

The heart rate, respiration transducer are arranged at the chest position of the vest main body；

The body temperature transducer, EGC sensor and heart rate, respiration transducer are connected to the host；

The host is used to provide power supply and by body to the body temperature transducer, EGC sensor and heart rate, respiration transducer Temperature sensor, EGC sensor and heart rate, the data of respiration transducer collection communicate wirelessly after being handled with terminal.

2. the Human Physiology information data vest according to claim 1 based on graphene flexible sensor, its feature exist In：The vest main body is sewed by elastic woven material.

3. the Human Physiology information data vest according to claim 1 based on graphene flexible sensor, its feature exist In：The EGC sensor is made of carbon composite flexible electrode and fixed metal electrode film in the fabric, the electrocardio Number of sensors is 6.

4. the Human Physiology information data vest according to claim 1 based on graphene flexible sensor, its feature exist In：Connection circuit between the body temperature transducer, EGC sensor and heart rate, respiration transducer and host passes through fabric fibre It is fixed in the vest main body.

5. the Human Physiology information data vest according to claim 1 based on graphene flexible sensor, its feature exist In：The host includes power supply, analyzing and processing circuit and communication module I, and the analysis and processing module is used to handle from described The data message of body temperature transducer, EGC sensor and heart rate, respiration transducer, by data information transfer to the communication mould Data message is wirelessly transmitted to terminal by block, the communication module.

6. the Human Physiology information data vest according to claim 5 based on graphene flexible sensor, its feature exist In：The terminal includes mobile control terminal, analysis and Control APP and communication module II, and the communication module II is received from described The data message of communication module I, and by data information transfer to the mobile control terminal, the mobile control terminal is by data message Arranged and by data information transfer to the analysis and Control APP, the analysis and Control APP, which combines received data, to be believed Breath, assesses the health status of user.

7. the production method of the Human Physiology information data vest based on graphene flexible sensor, it is characterised in that：Comprising such as Lower step：

S1：Signal transmssion line is fixed in data vest cloth according to the collection position of sensor；

S2：Metal electrode is placed on preset position；

S3：Graphene and carbon black are matched, are then dissolved into PDMS, finally liquid is made in addition curing agent in the solution Slurry；

S4：Liquid slurry is used squeegee even print inside and outside the vest main body fabric centered on copper plate electrode；

S5：Liquid slurry is heated so that liquid slurry curing molding；

S6：Printing apparatus are removed, and check whether copper sheet and carbon composite and flexible material are fixed in vest main body.

8. the making side of the Human Physiology information data vest according to claim 7 based on graphene flexible sensor Method, it is characterised in that：In step S3, the ratio of graphene and carbon black is 2:1, the graphene and the ratio of carbon black being dissolved into PDMS Example is 3%~5%, and the ratio for adding curing agent is 10：1.

9. the making side of the Human Physiology information data vest according to claim 7 based on graphene flexible sensor Method, it is characterised in that：It it is 80 DEG C to liquid slurry heating-up temperature in step S5.