CN105310666B - An Internet of Things-based patient monitoring system with real-time positioning capabilities - Google Patents

Abstract

The invention relates to a patient monitoring system with real-time positioning capability based on the Internet of things, which comprises a plurality of intelligent medical bracelets, a signal transfer station and an intelligent communication terminal, wherein each intelligent medical bracelet is wirelessly connected with the signal transfer station; the advancing, position and body skills of the patient are monitored in real time through each monitoring module in the intelligent medical bracelet, so that the implementation monitoring capability of the patient is ensured, and the practicability of the system is improved; meanwhile, stable working voltage is provided for the system through the working power supply circuit, normal work of the system is guaranteed, and reliability of the system is improved.

Description

An Internet of Things-based patient monitoring system with real-time positioning capabilities

technical field

The invention relates to a patient monitoring system with real-time positioning capability based on the Internet of Things.

Background technique

With the continuous improvement of the level of science and technology, people's lives have achieved a qualitative leap. These new scientific products have brought great convenience and comfort to our lives.

But in many occasions, people lack the support of intelligent equipment or systems, which makes work inefficient. In the medical field, due to the large number of patients to be managed, and the medical staff cannot take care of them in real time, there will be great omissions in the monitoring of patients.

Contents of the invention

The technical problem to be solved by the present invention is to provide a patient monitoring system with real-time positioning capabilities based on the Internet of Things that can monitor and monitor patients in order to overcome the inadequacy of existing technologies for patient monitoring.

The technical solution adopted by the present invention to solve the technical problem is: a patient monitoring system with real-time positioning capability based on the Internet of Things, including a number of smart medical bracelets, signal transfer stations and smart communication terminals, each smart medical bracelet is compatible with The signal transfer station is wirelessly connected, and the signal transfer station is wirelessly connected to the intelligent communication terminal. The intelligent medical bracelet includes a housing, fixed components arranged at both ends of the housing, and a display interface and a voice player arranged on the housing;

The fixing assembly includes two watch straps, a passive buckle and an active buckle. In the two watch straps, one end of one watch strap is connected to the passive buckle, and one end of the other watch strap is connected to the active buckle. The buckle is provided with a hook, the vertical interface of the hook is T-shaped, the active buckle is provided with a groove matching the hook, and two miniature cylinders are arranged on both sides of the groove;

A central control device is provided in the housing, and the central control device includes a central control system, a display control module connected to the central control system, a voice control module, a buckle control module, a wireless communication module, a motion monitoring module, and a position monitoring module. Module, heart rate monitoring module, sweat detection module, sun protection module, blood flow monitoring module and working power supply module, the display interface is electrically connected to the display control module, the voice player is electrically connected to the voice control module, and the active The buckle is electrically connected with the hasp control module;

Preferably, in order to make the power supply work more stable, the working power supply module includes a working power supply circuit, and the working power supply circuit includes an integrated circuit, a first resistor, a second resistor, a third resistor, a fourth resistor, a first capacitor, a Two capacitors, the third capacitor, the fourth capacitor, the first inductance, the second inductance and the diode, the model of the integrated circuit is MC34063A, the driver tube collector terminal of the integrated circuit passes through the first resistor and the peak load of the integrated circuit The current sampling terminal is connected, the collector terminal of the driving tube of the integrated circuit is connected to the collector terminal of the switching tube of the integrated circuit through a series circuit composed of the first resistor and the first inductance, and the emitter terminal and the grounding terminal of the switching tube of the integrated circuit Both are grounded, the timing capacitor terminal of the integrated circuit is grounded through the second capacitor, the load peak current sampling end of the integrated circuit is grounded through the series circuit composed of the second resistor and the first capacitor, and the power supply terminal of the integrated circuit is grounded through the The first capacitor is grounded, the collector terminal of the switching tube of the integrated circuit is connected to the anode of the diode and grounded through a series circuit composed of the diode and the third capacitor, the inverting input terminal of the comparator of the integrated circuit is grounded through the third resistor, The inverting input terminal of the comparator of the integrated circuit is grounded through a series circuit composed of a fourth resistor and a third capacitor, and the inverting input terminal of the comparator of the integrated circuit is grounded through a series circuit composed of a fourth resistor, a second inductor and a fourth capacitor. The series circuit is grounded.

Preferably, in order to improve the reliability of the smart medical wristband, the miniature air cylinder is a single-acting air cylinder.

Preferably, in order to improve the operability of the system, the intelligent communication terminal is a smart phone.

Preferably, in order to improve the practicability of the system, the motion monitoring module is electrically connected to an accelerometer, the position monitoring module is electrically connected to a global positioning device, the heart rate monitoring module is electrically connected to an optical heart rate monitor, and the sweat detection The module is electrically connected with an electrodermal response sensor, the sun protection module is electrically connected with an ultraviolet sensor, and the blood flow monitoring module is electrically connected with a bioelectrical impedance sensor.

Preferably, in order to improve the reliability and continuous working capability of the system, the working power supply module is electrically connected to a storage battery, and the storage battery is a lithium battery.

Preferably, in order to improve the reliability of wireless signal transmission of the system, the wireless communication module transmits wireless signals through bluetooth.

Preferably, in order to improve the reliability of the working power supply circuit, the diode is a Schottky diode, and the rated current of the diode is 2A.

Preferably, in order to improve the reliability of the working power supply circuit, the working frequency of the first inductor is 100kHz.

The beneficial effect of the present invention is that the wireless communication module of the patient monitoring system with real-time positioning capability based on the Internet of Things is used to realize the wireless connection between the smart medical bracelet and the signal transfer station to ensure the monitoring of the patient; Each monitoring module in the ring monitors the patient's progress, position, and physical skills in real time, ensuring the ability to monitor the patient and improving the practicability of the system; at the same time, the system provides a stable working voltage through the working power supply circuit. Ensure the normal operation of the system and improve the reliability of the system.

Description of drawings

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

Fig. 1 is the structural representation of the patient monitoring system with real-time positioning capability based on the Internet of Things of the present invention;

Fig. 2 is a schematic structural view of the fixed components of the patient monitoring system with real-time positioning capability based on the Internet of Things of the present invention;

Fig. 3 is the circuit schematic diagram of the working power supply circuit of the patient monitoring system with real-time positioning capability based on the Internet of Things of the present invention;

Fig. 4 is the system schematic diagram of the patient monitoring system with real-time positioning capability based on the Internet of Things of the present invention;

In the figure: 1. Intelligent communication terminal, 2. Display interface, 3. Voice player, 4. Watch strap, 5. Passive buckle, 6. Active buckle, 7. Signal transfer station, 8. Central control system, 9 .Display control module, 10. Voice control module, 11. Buckle control module, 12. Wireless communication module, 13. Motion monitoring module, 14. Position monitoring module, 15. Heart rate monitoring module, 16. Sweat detection module, 17. Sun Protection Module, 18. Blood Flow Monitoring Module, 19. Working Power Module, 20. Accelerometer, 21. Global Positioning Device, 22. Optical Heart Rate Monitor, 23. Electrodermal Response Sensor, 24. Ultraviolet Sensor, 25. Biology Electrical impedance sensor, 26. battery, U1. integrated circuit, R1. first resistor, R2. second resistor, R3. third resistor, R4. fourth resistor, C1. first capacitor, C2. second capacitor, C3 . The third capacitor, C4. The fourth capacitor, L1. The first inductance, L2. The second inductance, D1. The diode.

Detailed ways

The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

As shown in Figures 1-4, a patient monitoring system with real-time positioning capabilities based on the Internet of Things includes a number of smart medical bracelets, a signal transfer station 7 and an intelligent communication terminal 1, and each smart medical bracelet is connected to the signal relay The station 7 is wirelessly connected, and the signal transfer station 7 is wirelessly connected to the intelligent communication terminal 1. The intelligent medical bracelet includes a housing, fixed components arranged at both ends of the housing, and a display interface 2 and a voice playback device arranged on the housing. device 3;

The fixing assembly includes two watch straps 4, a passive buckle 5 and an active buckle 6. Of the two watch straps 4, one end of one watch strap 4 is connected to the passive buckle 5, and one end of the other watch strap 4 is connected to the active buckle. The hasp 6 is connected, the passive hasp 5 is provided with a hook 51, the vertical interface of the hook 51 is T-shaped, and the active hasp 6 is provided with a groove matching the hook 51, so Two miniature cylinders 61 are provided on both sides of the groove;

The housing is provided with a central control device, which includes a central control system 8, a display control module 9 connected to the central control system 8, a voice control module 10, a buckle control module 11, a wireless communication module 12, Motion monitoring module 13, position monitoring module 14, heart rate monitoring module 15, sweat detection module 16, sun protection module 17, blood flow monitoring module 18 and working power supply module 19, the display interface 2 is electrically connected with the display control module 9, the The voice player 3 is electrically connected with the voice control module 10, and the active buckle 6 is electrically connected with the buckle control module 11;

Preferably, in order to make the power supply work more stable, the working power supply module 19 includes a working power supply circuit, and the working power supply circuit includes an integrated circuit U1, a first resistor R1, a second resistor R2, a third resistor R3, and a fourth resistor R4 , the first capacitor C1, the second capacitor C2, the third capacitor C3, the fourth capacitor C4, the first inductor L1, the second inductor L2 and the diode D1, the model of the integrated circuit U1 is MC34063A, the integrated circuit U1 The collector terminal of the drive tube is connected to the load peak current sampling terminal of the integrated circuit U1 through the first resistor R1, and the collector terminal of the drive tube of the integrated circuit U1 is connected to the integrated circuit through a series circuit composed of the first resistor R1 and the first inductor L1. The switch tube collector terminal of U1 is connected, the switch tube emitter terminal and the ground terminal of the integrated circuit U1 are both grounded, the timing capacitor terminal of the integrated circuit U1 is grounded through the second capacitor C2, and the peak load of the integrated circuit U1 The current sampling terminal is grounded through the series circuit composed of the second resistor R2 and the first capacitor C1, the power supply terminal of the integrated circuit U1 is grounded through the first capacitor C1, and the collector terminal of the switching tube of the integrated circuit U1 is connected to the anode of the diode D1 connected and grounded through a series circuit composed of a diode D1 and a third capacitor C3, the inverting input terminal of the comparator of the integrated circuit U1 is grounded through the third resistor R3, and the inverting input terminal of the comparator of the integrated circuit U1 is grounded through the fourth The series circuit composed of the resistor R4 and the third capacitor C3 is grounded, and the inverting input terminal of the comparator of the integrated circuit U1 is grounded through the series circuit composed of the fourth resistor R4, the second inductor L2 and the fourth capacitor C4.

Preferably, in order to improve the reliability of the smart medical bracelet, the miniature cylinder 61 is a single-acting cylinder.

Preferably, in order to improve the operability of the system, the intelligent communication terminal 1 is a smart phone.

Preferably, in order to improve the practicability of the system, the motion monitoring module 13 is electrically connected to an accelerometer 20, the position monitoring module 14 is electrically connected to a global positioning device 21, and the heart rate monitoring module 15 is electrically connected to an optical heart rate monitor. 22. The sweat detection module 16 is electrically connected to a galvanic skin response sensor 23 , the sun protection module 17 is electrically connected to an ultraviolet sensor 24 , and the blood flow monitoring module 18 is electrically connected to a bioelectrical impedance sensor 25 .

Preferably, in order to improve the reliability and continuous working capability of the system, the working power supply module 19 is electrically connected to a storage battery 26, and the storage battery 26 is a lithium battery.

Preferably, in order to improve the reliability of wireless signal transmission of the system, the wireless communication module 12 transmits wireless signals through bluetooth.

Preferably, in order to improve the reliability of the working power supply circuit, the diode D1 is a Schottky diode, and the rated current of the diode D1 is 2A.

Preferably, in order to improve the reliability of the working power supply circuit, the working frequency of the first inductor L1 is 100kHz.

The working principle of the patient monitoring system with real-time positioning capabilities based on the Internet of Things is: each smart medical bracelet is wirelessly connected to the signal transfer station 7, and the wearer of each smart medical bracelet is monitored in real time through the signal transfer station 7 , and at the same time through the wireless connection with the intelligent communication terminal 1, it is ensured that the staff in the background monitor each patient. Among them, the fixing component on the intelligent medical bracelet is used to fix the bracelet on the patient's hand, and the two miniature cylinders 61 in the active buckle 6 fix the hook 51 in the groove in the active buckle 6, and the patient generally It cannot be taken out at will, which ensures the monitoring of the patient; the display interface 2 and the voice player 3 are used to display and voice prompt relevant information to the patient, so as to ensure that the patient gets the most timely prompt and prevent accidents, thereby improving the reliability of the system sex.

Fact: The accelerometer 20 is a basic sensor commonly found in motion monitoring equipment, and is often used to record walking steps. By measuring the direction and the acceleration force, the accelerometer 20 can determine whether the device is in a horizontal or vertical position, to determine whether the device is moving, so as to achieve step counting operation. The global positioning device 21 is provided with a GPS positioning chip, which records the user's geographic location, running route, etc. through the GPS positioning chip. The optical heart rate monitor 22 is an increasingly popular configuration for sports monitoring equipment. It uses LED light to irradiate the skin and blood to absorb light fluctuations to judge the heart rate level and achieve more accurate sports level analysis. The galvanic skin response sensor 23 is a more advanced biosensor and is usually equipped on some devices that can monitor sweat levels. To put it simply, human skin is a kind of electrical conductor. When we start to sweat, the electrodermal response sensor can detect the sweat rate. With the accelerometer 20 and advanced software algorithm, it is beneficial to more accurately monitor the user's exercise level . The ultraviolet sensor 24 simulates the sensitivity of human glasses to light, can judge the time according to the brightness of the surrounding light, and effectively save the power consumption of the motion monitoring equipment. The ultraviolet sensor 24 can monitor the ultraviolet index in the light to realize sun protection reminder operation. The bioelectrical impedance sensor 25 can realize blood flow monitoring through the biological body's own impedance, and convert it into specific heart rate, respiration rate and electrodermal response index. It is a more advanced comprehensive biosensor with relatively higher accuracy.

In this patient monitoring system with real-time positioning capability based on the Internet of Things: the display control module 9 is used to control the display interface 2 to display relevant information; the voice control module 10 is used to control the voice player 3 to play relevant information; the buckle control module 11 is used To control the work of the active buckle 6, to ensure that the wristband is fastened on the patient's hand; the wireless communication module 12 is used to realize the wireless connection between the smart medical wristband and the signal transfer station 7, so as to ensure the monitoring of the patient; the motion monitoring module 13 The patient's motion progress is monitored in real time by the accelerometer 20; the position monitoring module 14 monitors the patient's position in real time through the global positioning device 21; the optical heart rate monitor 22 monitors the patient's heart rate level in real time through the heart rate monitoring module 15, ensuring Patient's safety; Sweat detection module 16 carries out real-time monitoring to patient's sweating situation by galvanic skin response sensor 23, has improved patient's monitoring ability; Ensure that the patient is not exposed to ultraviolet light for a long time, which improves the patient's monitoring ability; the blood flow monitoring module 18 monitors the patient's blood flow in real time through the bioelectrical impedance sensor 25, and further improves the patient's monitoring ability; The module 19 is used to provide a stable working voltage for the system to ensure the normal operation of the system.

In the working power supply circuit in the patient monitoring system with real-time positioning capability based on the Internet of Things, the third capacitor C3 is used to reduce the output ripple voltage. The second inductor L2 and the fourth capacitor C4 form a low-pass filter, which reduces the ripple voltage; thereby improving the reliability of the voltage output of the working power circuit and ensuring the normal operation of the system.

Compared with the prior art, the wireless communication module 12 of the patient monitoring system with real-time positioning capability based on the Internet of Things is used to realize the wireless connection between the smart medical bracelet and the signal transfer station 7, so as to ensure the monitoring of the patient; Each monitoring module in the medical bracelet monitors the patient's progress, position, and physical skills in real time, ensuring the ability to monitor the patient and improving the practicability of the system; at the same time, the system provides stable work through the working power circuit. voltage to ensure the normal operation of the system and improve the reliability of the system.

Inspired by the above-mentioned ideal embodiment according to the present invention, through the above-mentioned description content, relevant workers can make various changes and modifications within the scope of not departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, but must be determined according to the scope of the claims.

Claims (8)

1. A patient monitoring system with real-time positioning capability based on the Internet of Things, is characterized in that it includes some smart medical bracelets, signal transfer stations (7) and intelligent communication terminals (1), and each smart medical bracelet is connected to the signal The transfer station (7) is wirelessly connected, the signal transfer station (7) is connected wirelessly with the intelligent communication terminal (1), and the smart medical bracelet includes a housing, fixed components arranged at both ends of the housing and a A display interface (2) and a voice player (3); Described fixing assembly comprises two watch straps (4), passive hasp (5) and active hasp (6), described two watch straps (4), wherein one end of watch strap (4) is connected with passive hasp ( 5) connection, one end of another watch strap (4) is connected with the active buckle (6), the passive buckle (5) is provided with a hook (51), and the vertical interface of the hook (51) is T-shaped, the active hasp (6) is provided with a groove matching the hook (51), and two miniature cylinders (61) are arranged on both sides of the groove; A central control device is provided in the housing, and the central control device includes a central control system (8), a display control module (9) connected to the central control system (8), a voice control module (10), a buckle control Module (11), wireless communication module (12), motion monitoring module (13), position monitoring module (14), heart rate monitoring module (15), sweat detection module (16), sun protection module (17), blood flow monitoring Module (18) and working power supply module (19), described display interface (2) is electrically connected with display control module (9), and described voice player (3) is electrically connected with voice control module (10), and described active The hasp (6) is electrically connected with the hasp control module (11); The working power supply module (19) includes a working power supply circuit, and the working power supply circuit includes an integrated circuit (U1), a first resistor (R1), a second resistor (R2), a third resistor (R3), a fourth resistor ( R4), the first capacitor (C1), the second capacitor (C2), the third capacitor (C3), the fourth capacitor (C4), the first inductor (L1), the second inductor (L2) and the diode (D1), The model of the integrated circuit (U1) is MC34063A, and the collector terminal of the driving tube of the integrated circuit (U1) is connected to the load peak current sampling end of the integrated circuit (U1) through the first resistor (R1), and the integrated circuit (U1) The collector terminal of the drive tube of (U1) is connected to the collector terminal of the switching tube of the integrated circuit (U1) through a series circuit composed of the first resistor (R1) and the first inductance (L1), and the switch of the integrated circuit (U1) Both the tube emitter terminal and the ground terminal are grounded, the timing capacitor terminal of the integrated circuit (U1) is grounded through the second capacitor (C2), and the load peak current sampling terminal of the integrated circuit (U1) is grounded through the second resistor (R2) The series circuit formed with the first capacitor (C1) is grounded, the power supply terminal of the integrated circuit (U1) is grounded through the first capacitor (C1), and the collector terminal of the switching tube of the integrated circuit (U1) is connected to the diode (D1) The anode of the integrated circuit (U1) is connected to the ground through a series circuit composed of a diode (D1) and a third capacitor (C3), the inverting input terminal of the comparator of the integrated circuit (U1) is grounded through a third resistor (R3), and the integrated circuit ( The inverting input terminal of the comparator of U1) is grounded through the series circuit composed of the fourth resistor (R4) and the third capacitor (C3), and the inverting input terminal of the comparator of the integrated circuit (U1) is grounded through the fourth resistor (R4) , a series circuit composed of the second inductor (L2) and the fourth capacitor (C4) is grounded. 2. The patient monitoring system with real-time positioning capability based on the Internet of Things as claimed in claim 1, wherein the miniature cylinder (61) is a single-acting cylinder. 3. The patient monitoring system with real-time positioning capability based on the Internet of Things as claimed in claim 1, wherein the intelligent communication terminal (1) is a smart phone. 4. the patient monitoring system with real-time positioning capability based on Internet of Things as claimed in claim 1, is characterized in that, described motion monitoring module (13) is electrically connected with accelerometer (20), and described position monitoring module (14 ) is electrically connected to a global positioning device (21), the heart rate monitoring module (15) is electrically connected to an optical heart rate monitor (22), and the sweat detection module (16) is electrically connected to a electrodermal response sensor (23), so The sun protection module (17) is electrically connected to an ultraviolet sensor (24), and the blood flow monitoring module (18) is electrically connected to a bioelectrical impedance sensor (25). 5. The patient monitoring system with real-time positioning capability based on the Internet of Things as claimed in claim 1, wherein the working power supply module (19) is electrically connected with a storage battery (26), and the storage battery (26) is lithium Battery. 6. The patient monitoring system with real-time positioning capability based on the Internet of Things as claimed in claim 1, wherein the wireless communication module (12) transmits wireless signals through Bluetooth. 7. The patient monitoring system with real-time positioning capability based on the Internet of Things as claimed in claim 1, wherein the diode (D1) is a Schottky diode, and the rated current of the diode (D1) is 2A. 8. The patient monitoring system with real-time positioning capability based on the Internet of Things according to claim 1, characterized in that, the operating frequency of the first inductor (L1) is 100 kHz.