WO2016184168A1

WO2016184168A1 - Vital sign monitoring system

Info

Publication number: WO2016184168A1
Application number: PCT/CN2016/072753
Authority: WO
Inventors: 庞志强; 张涵; 崔彩媚; 刘勇
Original assignee: 广州中科新知科技有限公司
Priority date: 2015-05-21
Filing date: 2016-01-29
Publication date: 2016-11-24
Also published as: CN104958070B; CN104958070A

Abstract

A vital sign monitoring system, comprising several client data collection apparatuses (10), several wireless routers (21), a data transmission module (22) and a monitoring centre (30) arranged at a server end (3). Each client data collection apparatus (10) comprises a vital sign signal collection module (11), an A/D conversion module (12) and a wireless WIFI module (13), wherein the vital sign signal collection module (11) is used to collect an original vital sign signal and send same to the A/D conversion module (12); the A/D conversion module (12) converts the original vital sign signal, as an analogue signal, of a user into a digital signal and sends the converted digital signal to the wireless WIFI module (13); and the wireless WIFI module (13) transmits the digital signal to the data transmission module (22) via the wireless router (21), so as to send same to the monitoring centre (30) arranged at the server end (3) via the data transmission module (22). The monitoring centre (30) analyses and processes the received digital signal, so as to parse out vital sign information at least comprising three groups of data, i.e. body movement, pulse and breath.

Description

Vital signs monitoring system

Technical field

The invention relates to the field of electronic monitoring, and in particular to a vital sign monitoring system.

Background technique

Due to the accelerated pace of life in modern society and the pressure of life, the number of people with various types of sleep disorders has increased dramatically. Recently, the number of people with various sleep disorders in China has reached 38.2%, exceeding the international average of 27%. In this case, the diagnosis and treatment activities for various sleep disorders will be strengthened, and various types of sleep monitoring are the basis for the diagnosis of such diseases. The current sleep monitoring technology requires professional personnel to operate in a professional place, and many devices are required to be attached to the body of the monitoring object in the process of adsorption or bundling, which has large interference to the monitoring object, complicated operation, and high monitoring cost. Secondly, the modern society's living standards and medical technology are developing rapidly, and human life expectancy is greatly improved. In this case, the harmfulness of chronic diseases, especially cardiovascular respiratory sleep, is relatively increased. The causes of such chronic diseases are complicated, and the onset is hidden. After the onset of illness, the course of disease is long and it does not heal. Long-term physical data collection has a great effect on the pre-screening of such chronic diseases, but there is currently no long-term continuous sign collection method that is cost-effective and has little impact on the quality of life of users. Finally, China has gradually entered an aging society, and various new ways of providing for the elderly have gradually emerged. In order to meet the development of these new types of old-age care, and to meet the needs of the elderly, there is a need for a reliable and advanced out-of-hospital care aid.

The utility model patent CN202920166U, the patent name "a vital sign sensing system" discloses a portable wireless medical detecting device, which comprises a single chip control module, a sensor module, a wireless receiving module, a data storage module and a monitoring control module. . The MCU control module receives the analog signal of the human body life parameter data detected by the sensor, converts the analog signal into a digital signal, and sends the digital signal through the integrated wireless RF transmitter of the MCU control module, and the wireless receiving module receives the signal and transmits it to the monitoring control. The module, the monitoring control module displays the patient vital sign parameter data in real time, and sends the abnormal data to the attending doctor or the patient's family mobile phone terminal through the GSM communication module. The converted digital signal is stored in the database in real time, and the attending doctor or the patient's family can log in to the monitoring website. Query patient historical data and develop appropriate rehabilitation measures for the situation. The long connection between the monitoring device and the medical sensor is avoided, which solves the problem of the doctor monitoring the patient's whole process.

However, the above-mentioned prior art monitoring system has a limited range of information that can be monitored and collected, and cannot collect distributed and long-term continuous collection of user vital information.

Summary of the invention

The object of the embodiments of the present invention is to provide a vital sign monitoring system, which can realize distributed signal collection, continuously collect user vital signs information for a long time, and realize effective centralized monitoring and management of sleep.

An embodiment of the present invention provides a vital sign monitoring system, including a vital sign monitoring system, including a plurality of client data collecting devices, a plurality of wireless routers, a data transmission module, and a monitoring center disposed at the server end;

Each of the client data collection devices includes a vital sign signal acquisition module, an A/D conversion module, and a wireless WIFI module, and the vital sign signal acquisition module is configured to collect a user original vital sign signal and send the signal to the A/D conversion. a module, the A/D conversion module converts the user's original vital sign signal as an analog signal into a digital signal, and transmits the converted digital signal to the wireless WIFI module, the wireless WIFI module to the digital Sending, by the wireless router, the signal to the data transmission module, and sending the signal to the monitoring center placed on the server through the data transmission module;

The monitoring center includes a signal receiving module, a signal processing and analyzing module, and a vital sign information collecting module, wherein the signal receiving module is configured to receive a digital signal transmitted by the data transmission module, and the signal processing and parsing module is configured to the signal receiving module The received digital signal is subjected to analysis processing to parse vital vital sign information including at least three sets of body motion, pulse and breath data, and the vital sign information collecting module is configured to continuously collect the at least three groups including body motion, pulse and breath Vital sign information of the data.

As an improvement of the above solution, the vital sign signal acquisition module employs a piezoelectric sensing device placed under a user's pillow.

As an improvement of the above solution, the piezoelectric sensing device includes a sensing connected in order from top to bottom. The board panel, the sensor cover plate, the piezoelectric sensor device, the sensor substrate, and the sensor board substrate further include a wire connected to the piezoelectric sensor device to transmit an analog signal sensed by the piezoelectric sensor device to the A/D conversion module.

As a modification of the above aspect, the piezoelectric sensing element is made of a piezoelectric ceramic.

As an improvement of the above solution, the A/D conversion module includes a filter circuit, an amplification circuit, and an A/D conversion circuit, wherein the filter circuit is configured to filter the received analog signal, and the filtered analog signal passes the amplification. After the circuit is amplified, it is converted into a digital signal by the A/D conversion circuit.

As an improvement of the above solution, the wireless WIFI module is mainly composed of a low-power WIFI chip of the type ESP8266 and a peripheral circuit.

As a modification of the foregoing solution, the data transmission module is a communication link mainly composed of a general network device, and includes a primary switch, a primary switch, and a total router that are sequentially connected, wherein each of the primary switches is connected to the wireless A router, the total router is connected to the monitoring center.

As an improvement of the foregoing solution, each of the clients further includes a display device with a WIFI function, and the monitoring center passes the parsed vital sign information including at least three sets of body motion, pulse and breath data through the data transmission module. The wireless router sends the display device with the WIFI function for display.

As an improvement of the foregoing solution, the monitoring center further includes an alarm module connected to the signal processing and parsing module, and the alarm module is configured to parse the signal processing and parsing module to include at least three groups of body motion, pulse, and breathing. The vital sign information of the data is compared with the preset range of vital sign information, and when the vital sign information of the three sets of body motion, pulse and breath data parsed by the signal processing analytical model exceeds the preset vital sign information range The alarm module sends an alarm signal.

Compared with the prior art, the vital sign monitoring system disclosed by the present invention collects the original vital sign signals of the monitored object through a plurality of data acquisition devices placed on the client, and converts the collected signals into A/D signals into digital signals. The wireless WIFI module sends the wireless WIFI module to the wireless router, and then transmits the digital signal to the data transmission module through the wireless router, and then sends the signal to the monitoring center placed on the server side, and analyzes the received signal through the server end, thereby parsing at least Including body movements, veins The vital signs information of the three sets of beat and breath data is continuously collected to achieve pre-screening of certain chronic diseases based on continuously collected vital sign information including at least three sets of body motion, pulse and breath data. The system structure is simple and reliable, and the cost is low. It also enables timely processing in the event of an abnormal situation, saving labor costs and improving monitoring efficiency.

DRAWINGS

1 is a schematic structural view of a vital sign monitoring system in an embodiment of the present invention.

2 is a schematic structural diagram of a vital sign signal acquisition module according to an embodiment of the present invention.

3 to 4 are circuit schematic diagrams of an A/D conversion module in an embodiment of the present invention.

FIG. 5 is a circuit schematic diagram of a wireless WIFI module according to an embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

FIG. 1 is a schematic structural diagram of a vital sign monitoring system according to an embodiment of the present invention. The vital sign monitoring system 10 includes a plurality of client data collecting devices 10 at the client 1, a monitoring center 30 at the server 3, and a communication network 2 connecting the client 1 and the server 3. The communication network 2 is used for The information collected by a plurality of client data collection devices 10 located at the client 1 is transmitted to the server 3, wherein the communication network 2 includes a number of wireless routers 21 and a data transmission module 22.

Each of the client data collection devices 10 includes a vital sign signal acquisition module 11 , an A/D conversion module 12 , and a wireless WIFI module 13 . The vital sign signal acquisition module 11 is configured to collect and transmit a user's original vital sign signal. To the A/D conversion module 12, the A/D conversion module 12 converts the user's original vital sign signal as an analog signal into a digital signal, and converts the converted signal The digital signal is sent to the wireless WIFI module 13, and the wireless WIFI module 13 transmits the digital signal to the data transmission module 22 through the wireless router 21, thereby being sent to the device through the data transmission module 22. On the server side of the monitoring center 30.

The monitoring center 30 includes a signal receiving module 31, a signal processing and parsing module 32, and a vital sign information collecting module 33. The signal receiving module 31 is configured to receive a digital signal transmitted by the data transmission module, and the signal processing and parsing module 32 Performing analysis processing on the digital signal received by the signal receiving module 31, thereby parsing vital vitality information including at least three sets of body motion, pulse, and breathing data, and the vital sign information collecting module 33 is configured to continuously collect the at least the Vital signs information for body motion, pulse, and breathing data.

In this embodiment, the monitoring center 30 is further provided with a statistic module, configured to perform statistics on the vital sign information including the body motion, the pulse, and the breath, which are continuously collected by the vital sign information collecting module 33, Get statistical results. In addition, the monitoring center 30 is further provided with a plurality of application analysis modules, and the plurality of application analysis modules continuously collect vital sign information including at least three sets of body motion, pulse and breath data according to the vital sign information collection module 33 and The statistical results of the statistical module present data in different ways and carry out various functions such as monitoring, nursing and health trend tracking.

Preferably, the monitoring center 30 further includes an alarm module connected to the signal processing and parsing module, and the alarm module is configured to parse the signal processing parsing module 23 into at least three groups of body motion, pulse and breath data. The vital sign information is compared with the preset vital sign information range. When the vital sign information of the three sets of body motion, pulse and breath data parsed by the signal processing analytical model exceeds the preset vital sign information range, The alarm module issues an alarm signal.

Preferably, each of the clients further includes a display device with a WIFI function, and the monitoring center 30 passes the parsed vital sign information including at least three sets of body motion, pulse and breath data through the data transmission module and the wireless device. The router sends the display device with the WIFI function for display. In a specific application, the display device with WIFI function is preferably disposed at the user's bedside, and displays the user's sleep signs on the spot to meet the site special care requirements.

The vital sign monitoring system of the embodiment of the present invention will be further described in detail below with reference to FIGS. 2 to 5.

In this embodiment, the vital sign signal acquisition module 11 employs a piezoelectric sensing device placed under the user's pillow. Specifically, as shown in FIG. 2, the piezoelectric sensing device includes an inductive plate panel 111, a sensor cover plate 112, a piezoelectric sensor device 113, a sensor substrate 114, and an inductive plate substrate 115 that are sequentially connected from top to bottom. A wire 116 connected to the piezoelectric sensor device 113 is further included to transmit an analog signal sensed by the piezoelectric sensor device 113 to the A/D conversion module 12.

The constituent material of the piezoelectric sensor device 113 is a piezoelectric ceramic. Piezoelectric ceramic is used as the sensor component of the original vital sign signal collection. Through reasonable packaging and structural design, the signal collection module functions under the pillow, which is completely undisturbed for the user, and does not need power supply and no electromagnetic interference. High sensitivity, 0.1N vibration can achieve induction output. Reliable operation, response frequency up to 5KHz.

3 and 4 are circuit schematic diagrams of an A/D conversion module in an embodiment of the present invention. The A/D conversion module 12 of this embodiment includes a filter circuit, an amplifying circuit and an A/D conversion circuit, wherein the filter circuit is configured to filter the received analog signal, and the filtered analog signal is amplified by the amplifying circuit. Thereafter, it is converted into a digital signal by the A/D conversion circuit.

Referring to FIG. 3, it is a filtering and amplifying circuit of the A/D conversion module. The signal collected by module 11 is first filtered by a high-pass filter circuit (cutoff frequency 0.2Hz) composed of C16 and R6; then filtered by a low-pass filter circuit (cutoff frequency 159Hz) composed of R5 and C17; then via U4 (OP07), The amplifying circuit composed of R3 and R1 is amplified, and the amplification factor is 11 times; at the same time, R1 and C15 also function as low-pass filtering (cutoff frequency 7.2 Hz). Vref is a 2.5V reference voltage, the amplified signal is raised, the Signal voltage signal is used as the input of the latter stage circuit; U5 (OP07) and R7, R8 constitute a second amplification, the magnification is 1.21 times; finally, the clamp formed by D1 and D2 In the circuit, the output voltage is clamped between -0.7V and 4V, which protects the ADC chip of the latter stage.

Referring to FIG. 4, it is an A/D conversion circuit of the A/D conversion module. It adopts TI's 12-bit ADC chip ADS1013, standard I2C interface, low power consumption, and conversion rate of 128SPS-3.3kSPS. The circuit realizes converting the operational output signal PB0 into a digital signal, and the main chip U20 reads data through the I2C protocol, and the conversion rate is 1.6 KSPS.

Referring to FIG. 5, it is a circuit schematic diagram of a wireless WIFI module according to an embodiment of the present invention. The wireless WIFI module is mainly composed of a low power consumption WIFI chip of the type ESP8266 and a peripheral circuit. The ESP8266 is highly integrated on-chip, including the antenna switch balun, power management converter, so only a small amount of external circuitry is required, and the entire solution, including the front-end module, minimizes PCB space during design. The leading features of the ESP8266-equipped system are: fast switching between energy-saving VoIP in sleep/wake mode, adaptive radio biasing with low-power operation, front-end signal processing, troubleshooting, and radio system coexistence. Eliminate cellular/Bluetooth/DDR/LVDS/LCD interference.

The data transmission module 22 is a communication link mainly composed of a universal network device, and includes a primary switch, a primary switch, and a total router that are sequentially connected, wherein each of the primary switches is connected to the wireless router, and the total A router is connected to the monitoring center. In the present embodiment, the data transmission system based on this structure can fully utilize the existing network technology and general-purpose devices, and supports at least 300 clients as a whole and can easily expand the system capacity through hardware upgrade.

The working process of the vital sign monitoring system of the embodiment is as follows: the sensor element collected by using the piezoelectric ceramic as the original vital sign signal is placed under the user's pillow, and the user's original sleep vibration signal is collected, and the piezoelectric device senses the vibration output voltage. signal. The voltage signal is transmitted from the wire to the analog-to-digital conversion module. The analog-to-digital conversion module first performs noise reduction, amplification, and analog-to-digital conversion processing. After the converted digital signal is processed, it is sent by the wireless wifi module to the communication link, and the communication link will be The digital signal is transmitted to the monitoring center of the server. The monitoring center receives the digital signal through the signal receiving module and processes it, and then transmits the processed data to the signal processing and analysis module. The signal processing and analysis mode analyzes the digital signal to resolve the sleep body motion, breathing and The three sets of vital signs waveform signals are pulsed, and the parsed waveform signals of sleep body motion, respiration and pulse are sent to the vital sign information collection module for continuous collection, and the three sets of physical signs collected continuously are statistically processed. The processed waveform signals and statistics are sent to various integrated application analysis modules, and the integrated application analysis module presents the data in an appropriate manner and performs various functions such as monitoring, nursing and health trend tracking.

In summary, the vital sign monitoring system disclosed by the present invention collects the original vital sign signals of the monitored object through a plurality of data acquisition devices placed on the client, and A/D converts the collected signals into A/D. The digital signal is sent to the wireless router through the wireless WIFI module, and then the digital signal is transmitted to the data transmission module through the wireless router, and then sent to the monitoring center placed on the server side, and the received signal is analyzed and processed through the server end. Thereby, the vital sign information including at least three sets of body motion, pulse and breath data is parsed for continuous collection, thereby realizing pre-screening of certain chronic diseases based on continuously collected vital sign information including at least three sets of body motion, pulse and breath data. . The system structure is simple and reliable, and the cost is low. It also enables timely processing in the event of an abnormal situation, saving labor costs and improving monitoring efficiency.

The above is a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the principles of the present invention. It is the scope of protection of the present invention.

Claims

A vital sign monitoring system, comprising: a plurality of client data collecting devices, a plurality of wireless routers, a data transmission module, and a monitoring center placed on the server side;

Each of the client data collection devices includes a vital sign signal acquisition module, an A/D conversion module, and a wireless WIFI module, and the vital sign signal acquisition module is configured to collect a user original vital sign signal and send the signal to the A/D conversion. a module, the A/D conversion module converts the user's original vital sign signal as an analog signal into a digital signal, and transmits the converted digital signal to the wireless WIFI module, the wireless WIFI module to the digital Transmitting, by the wireless router, the signal to the data transmission module, so as to be sent to the monitoring center placed on the server by the data transmission module;

The monitoring center includes a signal receiving module, a signal processing and analyzing module, and a vital sign information collecting module, wherein the signal receiving module is configured to receive a digital signal transmitted by the data transmission module, and the signal processing and parsing module is configured to the signal receiving module The received digital signal is subjected to analysis processing to parse vital vital sign information including at least three sets of body motion, pulse and breath data, and the vital sign information collecting module is configured to continuously collect the at least three groups including body motion, pulse and breath Vital sign information of the data.
The vital sign monitoring system of claim 1 wherein said vital sign signal acquisition module employs a piezoelectric sensing device placed under a user's pillow.
The vital sign monitoring system according to claim 2, wherein said piezoelectric sensing device comprises an inductive plate panel, a sensor cover plate, a piezoelectric sensor device, a sensor substrate, and an induction connected in this order from top to bottom. The board substrate further includes a wire connected to the piezoelectric sensor device to transmit an analog signal sensed by the piezoelectric sensor device to the A/D conversion module.
The vital sign monitoring system according to claim 3, wherein the piezoelectric sensor member is made of a piezoelectric ceramic.
A vital sign monitoring system according to claim 1, wherein said A/D conversion module comprises a filter circuit, an amplifying circuit and an A/D conversion circuit, said filter circuit for receiving the received mode The pseudo signal is filtered, and the filtered analog signal is amplified by the amplifying circuit, and then converted into a digital signal by the A/D conversion circuit.
The vital sign monitoring system according to claim 1, wherein the wireless WIFI module is mainly composed of a low power consumption WIFI chip of the type ESP8266 and a peripheral circuit.
The vital sign monitoring system according to claim 1, wherein the data transmission module is a communication link mainly composed of a general network device, and includes a primary switch, a main switch and a total router which are sequentially connected, wherein each The primary switch is connected to the wireless router, and the primary router is connected to the monitoring center.
The vital sign monitoring system according to claim 1, wherein each of the clients further comprises a display device with a WIFI function, and the monitoring center will parse at least three sets of data including body motion, pulse and breath. The vital sign information is sent to the display device with the WIFI function through the data transmission module and the wireless router for display.
The vital sign monitoring system according to claim 1, wherein the monitoring center further comprises an alarm module connected to the signal processing and parsing module, wherein the alarm module is configured to parse the signal processing and parsing module. The vital sign information including at least three sets of body motion, pulse and breath data is compared with a preset range of vital sign information, and the vital signs of at least three sets of body motion, pulse and breath data parsed by the signal processing analytical model are analyzed. The alarm module issues an alarm signal when the information exceeds the preset vital sign information range.