CN113576465A

CN113576465A - Sleep state monitoring system and sleep body movement parameter determination method

Info

Publication number: CN113576465A
Application number: CN202110886528.3A
Authority: CN
Inventors: 张海峰; 张海燕; 赵绍晴; 高涵
Original assignee: Shandong Haitian Intelligent Engineering Co ltd
Current assignee: Shandong Haitian Intelligent Engineering Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-11-02

Abstract

The invention provides a sleep state monitoring system and a sleep physical activity parameter determining method, wherein the system comprises: the mattress comprises a detection module, a transmission module, a control module, a communication module and a mattress; the detection module is embedded in the mattress; the detection module is used for detecting the sleep state parameters of the user; the transmission module is used for transmitting the sleep state parameters to the control module; the control module is used for processing the initial body movement parameters to obtain the sleep body movement parameters of the user; the communication module is used for transmitting the sleep physical movement parameters and the vital sign parameters to the remote terminal. According to the invention, the detection module is embedded in the mattress, so that the contact area with the user is increased, the accuracy of sleep state monitoring and the comfort level of the user are improved, meanwhile, the sleep body movement parameters of the user are monitored, and the monitoring range of the sleep state monitoring system is enlarged.

Description

Sleep state monitoring system and sleep body movement parameter determination method

Technical Field

The invention relates to the technical field of state monitoring, in particular to a sleep state monitoring system and a sleep body movement parameter determining method.

Background

With the aging population becoming more and more severe, the number of sudden deaths in various countries is increasing, wherein most of the sudden deaths occur at night and are caused by obstructive sleep apnea. In addition, after rescue measures such as acute thrombolysis, intervention, surgical treatment and the like are taken for stroke patients, the disability rate of survivors averagely exceeds 75%, most of patients cannot take care of themselves in life, special persons are needed for care, heavy burden is brought to families and society of the patients, and the family monitoring technology for sleep vital signs takes place at home. The prior art mainly carries out vital sign monitoring at home through wearing wearable monitoring systems such as intelligent bracelet, but this type of mode monitoring parameter is few, and normal parameters such as length such as rhythm of the heart, sleep are only monitored, and intelligent bracelet only is connected with a certain position of health, and the data that record are inaccurate and volatility big, and it is poor to wear the comfort level for a long time moreover, should not use for a long time.

Therefore, a vital sign home monitoring technology with multiple monitoring range parameters and high comfort level is needed.

Disclosure of Invention

The invention aims to provide a sleep state monitoring system and a sleep body movement parameter determining method, which can obtain body movement parameters of a user and improve the accuracy of sleep state monitoring and the comfort level of the user.

In order to achieve the purpose, the invention provides the following scheme:

a sleep state monitoring system comprising:

the mattress comprises a detection module, a transmission module, a control module, a communication module and a mattress;

the detection module is embedded in the mattress; the detection module is connected with the transmission module; the detection module is used for detecting sleep state parameters of a user; the sleep state parameters comprise initial body movement parameters and vital sign parameters; the vital sign parameters comprise heart rate parameters, breathing parameters, snore times and weak breathing times;

the transmission module is connected with the control module; the transmission module is used for transmitting the sleep state parameters to the control module;

the control module is connected with the communication module; the control module is used for processing the initial body movement parameters to obtain sleeping body movement parameters of the user; the sleeping physical movement parameters comprise a lying state, a side lying state, a bed leaving state, a sitting state and a bed side sitting state;

the communication module is connected with a remote terminal; the communication module is used for transmitting the sleep physical movement parameter and the vital sign parameter to the remote terminal.

Optionally, the detection module specifically includes:

a vital sign parameter detection unit and an initial body movement parameter detection unit;

the vital sign parameter detection unit and the initial body motion parameter detection unit are respectively connected with the transmission module;

the vital sign parameter detection unit is embedded in the position above the middle of the mattress plane; the vital sign parameter detection unit is used for detecting vital sign parameters of a user;

the initial body motion parameter detection unit is embedded in the mattress; the initial body motion parameter detection unit is used for detecting initial body motion parameters of a user.

Optionally, the initial body motion parameter detecting unit specifically includes:

the sensor group comprises a piezoelectric ceramic sensor group and a piezoelectric film sensor group;

the piezoelectric ceramic sensor group is embedded at the edge of the mattress plane; the piezoelectric film sensor group is embedded in the position, which is lower than the middle part of the plane of the mattress, of the middle part of the mattress; and the piezoelectric ceramic sensor group and the piezoelectric film sensor group are connected with the transmission module.

Alternatively to this, the first and second parts may,

the number of the piezoelectric ceramic sensors in the piezoelectric ceramic sensor group is 4;

the number of the piezoelectric film sensors in the piezoelectric film sensor group is 3.

Optionally, the vital sign parameter detection unit is of a model LSM-800-T.

Optionally, the system further comprises an emergency button;

the emergency key is connected with the control module; the control module is used for generating an alarm signal when the emergency key is in an enabling state and transmitting the alarm signal to the remote terminal through the communication module.

A method for determining sleep physical activity parameters is applied to the sleep state monitoring system, and the method comprises the following steps:

acquiring initial body motion parameters;

judging whether the user is in a bed leaving state or not according to the initial body movement parameters; judging whether the user is in the out-of-bed state or not, wherein the condition is that the piezoelectric ceramic sensor group and the piezoelectric film sensor group are not triggered;

when the user is in a non-bed-leaving state, judging whether the user sits beside the bed or not according to the initial body movement parameters; judging whether a user sits beside a bed under the condition that any piezoelectric ceramic sensor in the piezoelectric ceramic sensor group is triggered, wherein the piezoelectric thin film sensor group and the vital sign parameter detection unit are not triggered;

when the user is not sitting at the bedside, judging whether the user is in a bed-lying state or not according to the initial body movement parameters; judging that the condition that the user is in a bed state is that the piezoelectric film sensor group and the vital sign parameter detection unit are both triggered, and only the bed tail piezoelectric ceramic sensor in the piezoelectric ceramic sensor group is triggered; the bed tail piezoelectric ceramic sensor is a piezoelectric ceramic sensor which is farthest away from the vital sign parameter detection unit in the piezoelectric ceramic sensor group;

when the user is in a bedridden state, determining the bedridden posture of the user according to the trigger voltage of each piezoelectric film sensor in the piezoelectric film sensor group;

when the user is in an ambulatory state, judging whether the user sits up or not according to the initial body movement parameters; and judging that the sitting-up condition of the user is the triggering of the piezoelectric film sensor group, wherein only the bed tail piezoelectric ceramic sensor in the piezoelectric ceramic sensor group is triggered, and the vital sign parameter detection unit is not triggered.

Optionally, the determining the bed-lying posture of the user according to the trigger voltage of each piezoelectric film sensor in the piezoelectric film sensor group specifically includes:

judging whether a user is in a lying state or not according to the trigger voltage of each piezoelectric film sensor in the piezoelectric film sensor group; judging that the condition that the user is in a lying state is that the trigger voltage of each piezoelectric film sensor in the piezoelectric film sensor group is in a first preset range;

when the user is in a non-lying state, judging whether the user is in a lying state or not according to the trigger voltage of each piezoelectric film sensor in the piezoelectric film sensor group; judging whether the user is in a lateral lying state or not, wherein the condition is that the trigger voltage of any edge piezoelectric film sensor is in a second preset range, and the trigger voltage of the middle piezoelectric film sensor is in a first preset range; the edge piezoelectric film sensors are two piezoelectric film sensors close to the edge of the plane of the mattress in the piezoelectric film sensor group; the middle piezoelectric film sensor is a piezoelectric film sensor far away from the edge of the plane of the mattress in the piezoelectric film sensor group; the second preset range is larger than the first preset range.

According to the specific embodiment provided by the invention, the invention discloses the following technical effects:

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic diagram of a sleep state monitoring system according to an embodiment of the present invention;

FIG. 2 is a signal transmission diagram of a sleep state monitoring system according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a detection module according to an embodiment of the present invention;

fig. 4 is a flowchart of a method for determining sleep physical activity parameters according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Fig. 1 is a schematic structural diagram of a sleep state monitoring system in an embodiment of the present invention, and fig. 2 is a signal transmission diagram of the sleep state monitoring system in an embodiment of the present invention, as shown in fig. 1-2, the present invention provides a sleep state monitoring system, including:

the mattress comprises a detection module (a monitoring module in the figure), a transmission module, a control module (a processing module in the figure), a communication module and a mattress;

the detection module is embedded in the mattress; the detection module is connected with the transmission module; the detection module is used for detecting the sleep state parameters of the user; the sleep state parameters comprise initial body movement parameters and vital sign parameters; the vital sign parameters comprise heart rate parameters, breathing parameters, snore times and weak breathing times;

the control module is connected with the communication module; the control module is used for processing the initial body movement parameters to obtain the sleep body movement parameters of the user; the sleeping physical movement parameters comprise a lying state, a side lying state, a bed leaving state, a sitting state and a bed side sitting state;

the communication module is connected with a remote terminal (comprising a medical care background end and a personal user end); the communication module is used for transmitting the sleep physical movement parameters and the vital sign parameters to the remote terminal.

Specifically, the detection module specifically includes:

the vital sign parameter detection unit and the initial body movement parameter detection unit are respectively connected with the transmission module;

the vital sign parameter detection unit is embedded in the position above the middle part of the mattress plane; the vital sign parameter detection unit is used for detecting vital sign parameters of the user;

The initial body motion parameter detection unit specifically comprises:

the piezoelectric ceramic sensor group is embedded at the edge of the mattress plane; the piezoelectric film sensor group is embedded in the lower position of the middle part of the mattress plane; the piezoelectric ceramic sensor group and the piezoelectric film sensor group are both connected with the transmission module.

Wherein the content of the first and second substances,

Specifically, the type of the vital sign parameter detection unit is LSM-800-T.

In addition, the sleep state monitoring system provided by the invention also comprises an emergency key;

Specifically, the sleep state monitoring system provided by the invention is used for monitoring the sleep and the departure of the old people, and comprises a personal user side, a medical care back stage side, a back stage server module, an equipment main body, a monitoring module, a transmission module, a processing module and a communication module, wherein the monitoring module, the transmission module, the processing module and the communication module are arranged on the equipment.

The detection module is used for monitoring a user to obtain monitoring parameters, and mainly comprises a piezoelectric film sensor and a piezoelectric ceramic sensor; the transmission module is used for transmitting the parameters acquired by the detection module, and specifically acquiring the parameters measured by the detection module through the simulator, the USB serial port, the copy and the embedded type; the processing module is connected with the monitoring module and the monitoring module; the processing module is used for performing analog-to-digital conversion, amplification and filtering processing on the monitored parameters to obtain processed parameters, and the core of the processing module is STM32F103RCT 6; the communication module is connected with the monitoring module and the background server, the communication module is used for realizing communication between the monitoring module and the background server, and the communication module of the system main body is USR-C322; the background server specifically realizes background data processing and analysis through a cloud computing big data platform. The personal user end and the medical care back desk end are both connected with the communication module and used for receiving and displaying the processed parameters (sleep state parameters); the invention can facilitate medical staff and family members of the user to monitor vital sign parameters of the user, and also facilitates the user to know the own physical sign condition, and the user and the medical staff can communicate in real time. And the system has low operation difficulty and convenient monitoring.

Fig. 3 is a schematic structural diagram of the detection module in the embodiment of the present invention, as shown in fig. 3, the third, fourth, and fifth, are piezoelectric ceramic sensor groups in the initial body motion parameter detection unit, and the fifth, seventh, and seventh, are piezoelectric thin film sensor groups in the initial body motion parameter detection unit. The model is LSM-800-T, which is a vital sign parameter detection unit and an appetite piezoelectric film sensor. Ninthly, an operation box (internally integrated with a processing module, a transmission module and a communication module).

The control module processes the data acquired by the detection module, and the specific steps are as follows:

the first step is as follows: a CPU (Central Processing Unit/Processor, i.e., control module) reads data of each sensor for AD conversion (analog-to-digital conversion). The piezoelectric signal of 0-300mV generated by the piezoelectric ceramic sensor is amplified to 0-3V by adopting an operational amplifier with 10 times of amplification so as to meet the requirement of 3V for a level signal input by a CPU, and the signal reference voltage of a linear voltage stabilizer (a control module) is determined to be 1.5V. The invention amplifies the changed pressure signal (the signal collected by the piezoelectric ceramic sensor) and is convenient for the analysis and processing of the subsequent control module. The piezoelectric film sensor transmits the voltage signal to the CPU by adopting a Wheatstone bridge.

The second step is that: and grouping the received data.

The third step: determining sleep state parameters according to the received data (the departure state of each sensor), specifically as follows:

1. bed side detection

If any one of the sensors is triggered and the sensor is not triggered, the user is judged to be sitting beside the bed.

2. Lying down (lying down) detection

And if the sensors are triggered all together and the trigger voltage values of the edge piezoelectric film sensors are all in the range of 1V-2V, judging that the user is in a lying state.

3. Sitting up detection

If the sensors are all triggered, the sensors are not triggered, and the trigger voltage value of any one of the edge piezoelectric film sensors is 1V-2V, the user determines to sit up.

4. Lateral detection

The sensors are triggered uniformly, the triggering voltage value of the edge piezoelectric film sensor is larger than 2V, the middle piezoelectric film sensor is triggered, the triggering voltage value of the voltage value is 1V-2V, and the side lying state is judged.

5. Turn-over detection

And judging that the user turns over if the user has two states of a side lying state and a flat lying state within a preset time range.

6. Bed exit detection

And if all the sensors are not triggered, the patient is judged to be out of the bed.

7. Heart rate respiration detection

The heart rate respiration is detected by the sensor (b).

And after processing the data acquired by the detection module, the control module uploads the data acquired in the third step to a background server through the communication module, and the user side and the medical care background side acquire and display the server data in real time.

The invention can monitor the heart rate, respiration and sleep quality data of a user when the user lies down in real time and automatically alarm when the data is abnormal. The multifunctional intelligent sleeping bag can monitor and early warn the information of the user getting out of bed in real time, reminds a caregiver to timely care a cared object, is suitable for the care and physical sign monitoring of half-incapability for a long time, incapacitated people, sub-health people, high-pressure high-risk people, people suffering from cardiogenic diseases and easy sudden death, recovery patients, bedridden people and postoperative patients, has an early warning effect on sudden death, particularly the people suffering from cardiogenic diseases, does not need to be worn, is high in comfort level, and does not influence sleeping quality.

Fig. 4 is a flowchart of a sleep movement parameter determining method in an embodiment of the present invention, and as shown in fig. 4, a sleep movement parameter determining method is applied to a sleep state monitoring system of a sleep level provided by the present invention, and the method includes:

step 401: acquiring initial body motion parameters;

step 402: judging whether the user is in a bed leaving state or not according to the initial body movement parameters; judging whether the user is in the out-of-bed state or not, wherein the condition is that the piezoelectric ceramic sensor group and the piezoelectric film sensor group are not triggered;

step 403: when the user is in a non-bed leaving state, judging whether the user sits beside the bed or not according to the initial body movement parameters; judging whether a user sits beside a bed under the condition that any piezoelectric ceramic sensor in the piezoelectric ceramic sensor group is triggered, wherein the piezoelectric thin film sensor group and the vital sign parameter detection unit are not triggered;

step 404: when the user is not sitting at the bedside, judging whether the user is in a bed-lying state or not according to the initial body movement parameters; judging whether the user is in a bedridden state or not, wherein the condition is that the piezoelectric film sensor group and the vital sign parameter detection unit are triggered, and only the bed tail piezoelectric ceramic sensor in the piezoelectric ceramic sensor group is triggered; the bed tail piezoelectric ceramic sensor is the piezoelectric ceramic sensor which is farthest away from the vital sign parameter detection unit in the piezoelectric ceramic sensor group;

step 405: when the user is in a bed-lying state, determining the bed-lying posture of the user according to the trigger voltage of each piezoelectric film sensor in the piezoelectric film sensor group;

step 406: when the user is in an ambulatory state, judging whether the user sits up or not according to the initial body movement parameters; the condition that the user sits up is judged to be that the piezoelectric film sensor group is triggered, only the bed tail piezoelectric ceramic sensor in the piezoelectric ceramic sensor group is triggered, and the vital sign parameter detection unit is not triggered.

Step 405, specifically including:

judging whether a user is in a lying state or not according to the trigger voltage of each piezoelectric film sensor in the piezoelectric film sensor group; judging that the user is in a lying state if the trigger voltage of each piezoelectric film sensor in the piezoelectric film sensor group is in a first preset range;

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.

The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims

1. A sleep state monitoring system, the system comprising:

2. The sleep state monitoring system according to claim 1, wherein the detection module specifically includes:

3. The sleep state monitoring system according to claim 2, wherein the initial body movement parameter detecting unit specifically includes:

4. The sleep state monitoring system of claim 3,

5. The sleep state monitoring system of claim 2, wherein the vital sign parameter detecting unit is model LSM-800-T.

6. The sleep state monitoring system of claim 1, further comprising an emergency button;

7. A sleep movement parameter determination method applied to the sleep state monitoring system according to any one of claims 1 to 6, the method comprising:

acquiring initial body motion parameters;

8. The method for determining sleep body movement parameters according to claim 7, wherein the determining of the bed-lying posture of the user according to the trigger voltage of each piezoelectric film sensor in the piezoelectric film sensor group specifically comprises: