CN110289102B - Split type sleep management system and operation method thereof - Google Patents
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Abstract
The invention provides a split type sleep management system which comprises a signal acquisition end, a signal relay end and a data display end, wherein the signal acquisition end and the signal relay end are designed in a split type, and the signal acquisition end is sequentially connected with the signal relay end and the data display end; the signal acquisition end comprises a sensor, an amplification module, a first communication module and a button cell, the signal relay end comprises a CPU, a second communication module, a wireless module and an AC 220V-to-DC 5V module, and the data display end comprises a user side and a server. The invention provides an operation method of a split type sleep management system. The split type design of the invention solves the defects that the use is inconvenient in wired mode, and the wireless mode cannot be uploaded in real time, adopts a CPU operation core with strong functions, can not only meet the basic sign data extraction, but also is provided with a standard working module, a group working module, a difference management module, a health analysis module and an alarm module, and achieves the purposes of sleep health management and sleep abnormity alarm.
Description
Technical Field
The invention relates to the field of sleep monitoring management, in particular to a split type sleep management system and an operation method thereof.
Background
The quality of sleep is always the most concerned problem, and the analysis of sleep can understand the sleep condition of the user, the mental stress and even make a certain degree of prejudgment on the health. Especially for the elderly, it is a wonderful result because the unexpected sleeping condition is not discovered in time.
Currently recognized sleep analysis instruments belong to medical polysomnography instruments, the test accuracy and professional doctor analysis reach high levels, but the following problems still exist: 1) The user needs to go to the hospital for registration and then use the medical bed in the ward for one night, so that the normal sleeping environment of the user is changed; 2) Dozens of electrodes are adhered to the surface of the body, and the sleep quality is influenced due to contact measurement; 3) The patient can only select to take the measurement at his or her own initiative, and even detect it again when the patient finds discomfort, and later.
The bracelet, paster electrode and detection undershirt etc. of the article a great variety on the market, the check point is too little, causes easily that detection data is comprehensive not enough to require the live time to wear the use during sleep, this comfortableness of just having violated sleep, and to the old man, probably forget or can't accomplish to wear to fall asleep every day.
The sleep monitor of current non-contact formula, because power consumption is too high in the aspect of radio frequency and algorithm operation etc. consequently need use the power cord power supply, the drawing of electric wire is connected and has been brought very big inconvenience, not only influences the pleasing to the eye of head of a bed, to the inconvenient environment of socket in addition, often still need draw and connect more electric wires, brings the potential safety hazard, influences user experience.
Or use the power supply of large capacity lithium cell for circuit module volume is very huge, and the way is accomplished not to feel totally, uses the battery power supply moreover, in order to practice thrift the radio frequency consumption, often only uploads when the bluetooth of mobile phone connects, or regularly uploads data, consequently can only look over historical data, does not have real time monitoring's data, just does not have real time alarm function, to the old man, just has lost the meaning of using.
The system has the advantages that the existing product signals are collected and then the health data are calculated uniformly through a local offline or cloud server, all calculation is achieved through a fixed algorithm formula, but the conditions of all the old people are different, the health condition of each old person cannot be judged by using the same set of standard, particularly in the places such as an old-age care organization where the old people are dense, a product capable of being specifically detected by the old people in different conditions is needed, the system for grouping and dividing the old people according to the health conditions of the old people can be used, professional health analysis can be provided, and the work of medical care personnel can be facilitated. Therefore, how to completely make the sleep monitoring part feel insensitive, concealed, powerful in endurance, monitored in real time, alarmed in time and analyzed in pertinence becomes a research hotspot in the industry.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a split sleep management system and an operation method thereof, the split design of the invention adopts a brand-new structure, overcomes the defects that the wire is inconvenient to use and the wireless can not be uploaded in real time, adopts a CPU with strong function as an operation core, not only can meet the basic sign data extraction, but also is provided with a standard working module, a group working module, a difference management module, a health analysis module and an alarm module, can combine the prior medical history and the potential danger possibly brought by the prior physical condition analysis and can early warn in advance, and can prevent the trouble, provide customized health data which more accord with the actual health of a user, facilitate the user to know the self condition, more facilitate the user family and medical personnel to know the health condition of the user in time, and realize the purposes of sleep health management and sleep abnormity warning.
According to one aspect of the invention, a split sleep management system is provided, which comprises a signal acquisition end, a signal relay end and a data display end, wherein the signal acquisition end and the signal relay end are designed in a split mode, and the signal acquisition end is sequentially connected with the signal relay end and the data display end;
the signal acquisition end comprises a sensor, an amplification module, a first communication module and a button battery, wherein original data acquired by the sensor is amplified by the amplification module and is transmitted to the signal relay end through the first communication module, and the button battery provides electric energy for the signal acquisition end;
the signal relay terminal comprises a CPU, a second communication module, a wireless module and an AC 220V-to-DC 5V module, the CPU analyzes and processes the user actual health data received by the second communication module according to the health information set by the user, the obtained health analysis data or early warning information is transmitted to the data display terminal through the wireless module, and the signal relay terminal is connected with 220V mains supply through the AC 220V-to-DC 5V module for power supply; the wireless module adopts WiFi, 3G, 4G, 5G and other wireless modes;
the data display end comprises a user end and a server, and the server is used for packaging the received sign data and the health analysis data and transmitting the physical sign data and the health analysis data to the user end; the user side is used for setting user information and displaying the received data so as to facilitate the user to check the personal health condition.
Preferably, the signal relay terminal is connected with a plurality of signal acquisition terminals respectively, and the data display terminal is connected with a plurality of signal relay terminals respectively.
Preferably, the signal relay terminal is connected with 12 signal acquisition terminals at most.
Preferably, the user information set at the user terminal includes, but is not limited to, age, gender, occupation, and medical history.
Preferably, the signal relay terminal is provided with a standard working module, a group working module, a difference management module, a health analysis module and an alarm module;
the standard working module calculates physical sign data after filtering the received original data of the signal acquisition end by an algorithm and extracting the original data by an ECG algorithm, wherein the physical sign data are actually measured data of the heart rate and the breathing rate of a human body, and are transmitted to a user end through a wireless module to be displayed to a user after relevant health analysis;
the group working module is a group management mode that one signal relay end is matched with a plurality of signal acquisition ends; the group management mode is a working mode that a plurality of users with common characteristics in the same region carry out one-to-many group management by taking a signal relay terminal as a unit, and actually, the users are divided by taking the signal relay terminal as a unit according to the difference of ages, sexes and occupations of the users, the old people with similar or similar conditions are divided into one group, and one signal relay terminal is used;
the differential management module is a personal management mode that a signal relay end is matched with a signal acquisition end; the personal management mode is a working mode for performing one-to-one independent analysis on users with individual differences, and actually, a signal relay terminal is taken as a unit, and the extracted physical sign data is subjected to targeted analysis and then an analysis result is derived by combining user information set by the user at a user terminal; the individual difference refers to the difference of age, sex, occupation and medical history; the difference management module is stored with a plurality of common cases; the user selects the differential management module which accords with the self condition according to the self health condition and the use environment, so that the health analysis which completely accords with the self physiological condition can be obtained;
the health analysis module is used for analyzing the fluctuation and stability of the heart rate in a corresponding time period by looking up historical data in the time period when the signal relay terminal is in a certain self-defined time period, so as to obtain the change condition of the physical health and give health suggestions to a user;
the alarm module is used for transmitting the abnormal data to the data display end in time for alarming after the signal relay end detects the abnormal data, and the alarm module stores the historical alarm data of the user and the response time and the processing method of the nursing staff, and transmits the historical alarm data and the response time and the processing method to the data display end together when alarming; not only records the historical alarm data of the user, but also records the response time and the processing method of the nursing staff, so that the guardian can take corresponding measures in time when alarming.
The reason why the difference management module is provided is that in actual measurement, people of different ages, sexes and occupations have different heartbeat frequencies, the heartbeat of a baby may be 100/min, and athletes may only be 60/min, so that the judgment cannot be carried out by the same standard. In the invention, the differential management module sets sex, age, occupation and medical history at the signal relay end according to users, and specific analysis of specific problems can be carried out on different users according to different people, so that the situations that an athlete can alarm for bradycardia in measurement, and an infant can alarm for tachycardia in use and the like are avoided.
The differential management module can perform customized analysis on common cases, for example, but not limited to, the elderly and some special groups have some diseases due to physical reasons, and the like, and the diseases not only have certain influence on the test result, but also influence on the final health analysis. Therefore, the invention provides a plurality of common case information in the signal relay terminal for comparison and analysis. For example, in hyperthyroidism patients, the heart rate is too fast, on average around 70/min, and there are some involuntary tremors, which can affect the outcome. The user sets up the medical history afterwards at the user terminal then, and signal relay end can be based on the big data of hyperthyroidism, does the pertinence analysis, can not lead to the health analysis result inaccurate of data because the rhythm of the heart is faster than normal people, and this analysis result has combined the big data of rhythm of the heart of hyperthyroidism patient, calculates and out, only after having surpassed hyperthyroidism patient's upper limit frequency, just can report to the police. For sinus rhythm patients, heartbeat may be only 40/min, and after a user sets a medical history at a user side, a differential management module in a signal relay end performs targeted analysis based on sinus rhythm big data, so that bradycardia alarm is avoided. And after the user is treated, the heart rate curve chart of the user can be seen to gradually become normal and health analysis in a corresponding time period can be obtained.
Preferably, the sensor is a composite sensor, which is formed by combining a plurality of sensors, comprehensively judges the acquired heart rate, respiratory rate, body movement, snoring and bed-in-and-out information through cross signals, and comprises but is not limited to a piezoelectric sensor and a pressure sensor; the amplifying module comprises a low-power consumption four-operational amplifier chip; the button cell is a CR2450 type button cell. The composite sensor can avoid the interference of the magnetic field of electric motors such as an electric fan and the like; the piezoelectric sensor outputs a signal by generating a current by a charge pressing motion inside the piezoelectric material, so that the piezoelectric sensor portion has little power consumption. Signals of the sensor are all tiny signals, so that amplification is needed by an amplifier, the amplification of 10 ten thousand times cannot be achieved by a common amplifier, multiple paths of power supplies are needed by using a plurality of amplifiers to supply power, the power consumption is increased, the working current of the low-power consumption four-operational amplifier chip is as low as 670nA, and the maximum amplification factor can reach ten million times through four times of amplification.
Preferably, the first communication module and the second communication module each include a SOC bluetooth chip and an ADC acquisition port, and the SOC bluetooth chip includes, but is not limited to, a Cortex-M3 core and a bluetooth 5.0 communication protocol. The second communication module of the signal relay terminal and the first communication module of the signal acquisition terminal use chips of the same type, so that the low-power-consumption working mode is compatible, and the problem that the transmission of data packets is influenced because different Bluetooth communication protocols of the types need to be compatible with each other is solved. The Bluetooth 5.0 communication protocol has the advantages of high integration level and low power consumption, and can realize radio frequency transmission at the transmission rate of 1.3Mbps under the support of the Bluetooth 5.0 communication protocol with low power consumption. The ultra-low power consumption Bluetooth system is based on ultra-low power consumption Bluetooth transmission, the average working current is uA level, the peak current is not more than 6mA, a button battery is adopted for supplying power, the service life of the battery can reach several months, the ultra-low power consumption Bluetooth in the system only uses 3 broadcasting channels, and compared with the traditional Bluetooth equipment which adopts 16-32 channels, the power consumption caused by broadcasting data is greatly reduced; the ultra-low power consumption Bluetooth in the system can realize quick connection, can quickly establish connection when a command is required to be sent or a state is required to be transmitted, and can quickly disconnect the connection after the command is finished, so that repeated scanning is effectively avoided, and the power consumption can be greatly reduced; and the radio frequency physical layer is optimally designed with low power consumption, so that the peak current during transmitting and receiving is greatly reduced compared with the traditional Bluetooth.
Preferably, a low-power-consumption working mode and a sleep mode are arranged in the SOC Bluetooth chip;
when the sensor does not detect data or the detected data is analyzed to be invalid data through an algorithm, the SOC Bluetooth chip enters a sleep mode;
the low-power-consumption working mode refers to that the signal acquisition end does not scan every time Bluetooth pairing is carried out, and only the signal relay end is passively waited for scanning; when a command needs to be sent or data needs to be transmitted, connection is quickly established, data packets are segmented by an algorithm according to the size of data volume dynamically acquired each time, small data transmission is carried out for multiple times, and connection is quickly disconnected after transmission is completed.
In order to achieve the above object, the present invention further provides an operating method of the split sleep management system, including the following steps:
firstly, a sensor collects heart rate, respiration rate, body movement, snoring and bed-off signals, and the signals are directly input to an ADC (analog to digital converter) collection port in a first communication module through a circuit after being amplified by an amplification module;
secondly, the SOC Bluetooth chip in the first communication module performs analog-to-digital conversion on the received acquisition signal, performs algorithm processing on the converted transmission data, and transmits the processed transmission data to a second communication module through a Bluetooth 5.0 communication protocol in the first communication module;
step three, the second communication module receives Bluetooth signals of a signal acquisition end and transmits the signals to a CPU, the CPU performs algorithm extraction on the received signals, extracts sign signals and power supply voltage signals from crossed signals, analyzes the signals and transmits the signals to a server of a data display end through a wireless module, and the extracted sign signals include but are not limited to heart rate, breathing rate, body movement, snoring and getting out of bed;
processing and storing the received physical sign data and health by the server, packaging the data and transmitting the data to the user side; and the user terminal displays the received data.
Preferably, the SOC bluetooth chip in the first communication module controls the ADC acquisition port to sample the acquisition data of the sensor in a multithreading and DMA interrupt-based acquisition manner, the ADC acquisition port firstly collects the high-frequency channels in a concentrated manner within microsecond-level sampling time, continuously samples the number of 2 channels at the next time node, and continuously samples the data of n channels until the nth time node, and different channels can be selected at any sampling point for sampling. Because there are a plurality of sensors, therefore the ADC acquisition port in communication module needs a plurality of passageways when gathering, and SOC bluetooth chip control ADC acquisition port adopts multithread and the collection mode based on DMA interrupt, reduces and gathers the consumption. The ADC acquisition port adopts multithreading and a DMA interrupt-based acquisition mode to sample the acquired data of the sensor, and has the advantages of high acquisition frequency, more acquired data, high data integrity and higher accuracy.
Preferably, the signal relay terminal calculates physical sign data after algorithm filtering and ECG algorithm extraction according to the original data transmitted by the signal acquisition terminal, and the physical sign data is directly uploaded to a server or is subjected to targeted health analysis according to personal health information customized by a user; and one signal relay terminal is paired with one or more signal acquisition terminals, the alarm of each signal acquisition terminal can be found in time and accurately positioned, and historical data is reserved so that a user can check the health change condition of the user within a certain period of time according to the historical data.
For analyzing sign data by combining with a user medical history, such as but not limited to sinus rhythm symptoms, heartbeat of a general sinus rhythm patient is less than 45 times per minute, the user medical history is set in a relay, an algorithm program can conduct targeted analysis based on big data of sinus rhythm, since a general judgment standard adult is less than 50/min, bradycardia can be calculated, timely alarm is needed to inform nursing staff or a user to see a doctor in time, and after the sinus rhythm medical history is set, false alarm of bradycardia can be avoided.
Preferably, the data acquired by the signal acquisition end is uploaded to the signal relay end and the data display end in real time, the data display end updates the displayed data in real time, and the maximum delay of the updating time does not exceed 1 minute.
Compared with the prior art, the invention has the following beneficial effects:
(1) The invention relates to a split sleep management system and an operation method thereof.A split design adopts a brand-new structure, overcomes the defects that the wire is inconvenient to use and the wireless can not be uploaded in real time, adopts a CPU operation core with strong functions, can meet the basic sign data extraction, and can combine the potential danger possibly brought by the existing medical history and the existing physical condition analysis and early warn in advance, prevent the trouble in the future, provide customized health data which more accords with the actual condition of a user, facilitate the user to know the self condition, more facilitate the family and medical personnel of the user to know the health condition of the user in time, and realize the purposes of sleep health management and sleep abnormity warning;
(2) The signal acquisition end and the signal relay end adopt a split type design and an operation method thereof, the signal acquisition end only has a signal amplification part, and data is transmitted out in a wireless communication mode by adopting a low-power consumption working mode, the average working current of the signal acquisition end can be as low as 0.133mA and 500mAh of the button cell CR2450, the continuous working can be carried out for 125 days, the power supply of the button cell can be realized, the real-time monitoring and the management of health data can be realized, the button cell has small electric capacity, no electric shock can be caused, and the safety performance is high;
(3) The invention relates to a split sleep management system and an operation method thereof.A data calculation part is placed at a signal relay end, and the signal relay end uploads data in real time through a wireless network after calculating the data, and the part with the highest power consumption in the whole system is supplied with power by using household alternating current, so that the problems of calculation and real-time uploading of power consumption are not worried; the signal relay terminals can be paired in a one-to-many manner, one signal relay terminal can simultaneously receive data of a plurality of signal acquisition terminals, can select a working mode, can perform customized analysis for users with different health conditions, and can completely fit the actual physical conditions of individuals;
(4) According to the split sleep management system and the operation method thereof, the scheme that one signal relay terminal is matched with a plurality of signal acquisition terminals is convenient, the working mode which accords with the self condition is selected according to the individual difference of a user, and the health analysis which completely accords with the self physiological condition is obtained after the physical sign data of the user is acquired by combining the medical history; or the old people with similar conditions can be divided into a group by a signal relay terminal unit according to different conditions of age, sex, occupation, health and the like of the user, one signal relay terminal is used, and common health condition information of the group can be set at the signal relay terminal; the signal relay terminal can analyze important data and sensitive data in a targeted manner and early warn easy-to-send and high-frequency events in time;
(5) The split sleep management system and the operation method thereof are particularly suitable for multiple users or old institutions, are convenient to establish a group management mode by taking the signal relay terminal as a unit, and provide customized health data which more accord with the actual health of the users;
(6) According to the split sleep management system and the operation method thereof, the system can give an alarm to abnormal data in real time according to the detected data;
(7) The split sleep management system and the operation method thereof have the advantages of simple system composition, ingenious design and obvious effect;
(8) According to the split sleep management system and the operation method thereof, the communication module and the amplification module in the signal acquisition end are designed in a chip mode, so that the whole signal acquisition end is small in size and good in concealment, and is suitable for being placed under a mattress, a quilt, a pillow and the like;
(9) The split sleep management system and the operation method thereof meet various use requirements, have strong practicability and low cost, and are suitable for large-scale popularization.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic block diagram of a connection of a split sleep management system;
fig. 2 is a schematic block diagram of a split sleep management system.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Examples
The present embodiment provides a split sleep management system, the connection and schematic block diagram of which are shown in fig. 1 and 2 in detail: the system comprises a signal acquisition end, a signal relay end and a data display end, wherein the signal acquisition end and the signal relay end are designed in a split mode, and the signal acquisition end is sequentially connected with the signal relay end and the data display end;
the signal acquisition end comprises a sensor, an amplification module, a first communication module and a button battery, wherein original data acquired by the sensor is amplified by the amplification module and is transmitted to the signal relay end through the first communication module, and the button battery provides electric energy for the signal acquisition end;
the signal relay terminal comprises a CPU, a second communication module, a wireless module and an AC 220V-to-DC 5V module, the CPU performs analysis processing according to health information set by a user by combining with actual health data of the user received through the second communication module, the obtained health analysis data or early warning information is transmitted to the data display terminal through the wireless module, and the signal relay terminal is connected with a 220V mains supply through the AC 220V-to-DC 5V module for power supply; the wireless module is in a wireless mode such as WiFi, 3G, 4G, 5G and the like;
the data display end comprises a user end and a server, and the server is used for packaging the received sign data and the health analysis data and transmitting the physical sign data and the health analysis data to the user end; the user side is used for setting user information and displaying the received data so as to facilitate the user to check the personal health condition.
Furthermore, the signal relay terminal is connected with a plurality of signal acquisition terminals respectively, and the data display terminal is connected with a plurality of signal relay terminals respectively.
Furthermore, the signal relay terminal is connected with 12 signal acquisition terminals at most.
Further, the user information set at the user terminal includes, but is not limited to, age, gender, occupation, and medical history.
Furthermore, the signal relay terminal is provided with a standard working module, a group working module, a difference management module, a health analysis module and an alarm module;
the standard working module calculates physical sign data after filtering the received original data of the signal acquisition end by an algorithm and extracting the original data by an ECG algorithm, wherein the physical sign data are actually measured data of the heart rate and the breathing rate of a human body, and are transmitted to a user end through a wireless module to be displayed to a user after relevant health analysis;
the group working module is a group management mode that one signal relay end is matched with a plurality of signal acquisition ends; the group management mode is a working mode that a plurality of users with common characteristics in the same region carry out one-to-many group management by taking a signal relay terminal as a unit, and actually, the users are divided by taking the signal relay terminal as a unit according to the difference of ages, sexes and occupations of the users, the old people with similar or similar conditions are divided into one group, and one signal relay terminal is used;
the differential management module is a personal management mode that a signal relay end is matched with a signal acquisition end; the personal management mode is a working mode for performing one-to-one independent analysis on users with individual differences, and actually, a signal relay terminal is taken as a unit, and the extracted physical sign data is subjected to targeted analysis and then an analysis result is derived by combining user information set by the user at a user terminal; the individual difference refers to the difference of age, sex, occupation and medical history; the difference management module is stored with a plurality of common cases; the user selects the differential management module which accords with the self condition according to the self health condition and the use environment, so that the health analysis which completely accords with the self physiological condition can be obtained;
the health analysis module is used for analyzing the fluctuation and stability of the heart rate in a corresponding time period by looking up historical data in the time period at a certain self-defined time period by the signal relay terminal to obtain the change condition of the body health and give a health suggestion to a user;
the alarm module is used for transmitting the abnormal data to the data display end in time for alarming after the signal relay end detects the abnormal data, and the alarm module stores the historical alarm data of the user and the response time and the processing method of the nursing staff, and transmits the historical alarm data and the response time and the processing method to the data display end together when alarming; not only records the historical alarm data of the user, but also records the response time and the processing method of the nursing staff, so that the guardian can take corresponding measures in time when alarming.
The reason why the difference management module is provided is that in actual measurement, people of different ages, sexes and occupations have different heartbeat frequencies, the heartbeat of a baby may be 100/min, and athletes may only be 60/min, so that the judgment cannot be carried out by the same standard. According to the invention, the differential management module can specifically analyze specific problems of different users according to the gender, age, occupation and medical history set by the user at the signal relay end, so that the situations that an athlete can alarm when the heart rate is too slow in measurement, and an infant can alarm when the infant uses the heart rate, and the like are avoided.
The differential management module can perform customized analysis on common cases, for example, but not limited to, the elderly and some special groups have some diseases due to physical reasons, and the like, and the diseases not only have certain influence on the test result, but also influence on the final health analysis. Therefore, the invention provides a plurality of common case information in the signal relay terminal for comparison and analysis. For example, in hyperthyroidism patients, the heart rate is too fast, on average around 70/min, and there are some involuntary tremors, which can affect the outcome. Then the user sets up the medical history after the user end, and signal relay end can be based on the big data of hyperthyroidism, does the pertinence analysis, can not lead to out the health analysis result of data inaccurate because the rhythm of the heart is fast than the normal people, and this analysis result has combined the big data of rhythm of the heart of hyperthyroidism patient, calculates and out, only after exceeding the upper limit frequency of hyperthyroidism patient, just can report to the police. For sinus rhythm patients, heartbeat may be only 40/min, and after a user sets a medical history at a user side, a differential management module in a signal relay end performs targeted analysis based on sinus rhythm big data, so that bradycardia alarm is avoided. And after the user is treated, the heart rate curve chart of the user gradually becomes normal and the health analysis of the corresponding time period is obtained.
Further, the sensor is a composite sensor, which is formed by combining various sensors, comprehensively judges the acquired heart rate, respiratory rate, body movement, snoring and bed-in-and-out information through cross signals, and comprises but is not limited to a piezoelectric sensor and a pressure sensor; the amplifying module comprises a low-power consumption four-operational amplifier chip; the button cell is a CR2450 type button cell. The composite sensor can avoid the interference of the magnetic field of electric machines such as an electric fan and the like; the piezoelectric sensor outputs a signal by generating a current through a pressed motion of electric charges inside the piezoelectric material, so that the piezoelectric sensor portion has little power consumption. Signals of the sensor are all tiny signals, so that amplification is needed by an amplifier, the amplification of 10 ten thousand times cannot be achieved by a common amplifier, multiple paths of power supplies are needed by using a plurality of amplifiers to supply power, the power consumption is increased, the working current of the low-power consumption four-operational amplifier chip is as low as 670nA, and the maximum amplification factor can reach ten million times through four times of amplification.
Further, the first communication module and the second communication module both comprise an SOC bluetooth chip and an ADC acquisition port, and the SOC bluetooth chip includes but is not limited to a Cortex-M3 core and a bluetooth 5.0 communication protocol. The second communication module of the signal relay terminal and the first communication module of the signal acquisition terminal use chips of the same type, so that not only are low-power-consumption working modes compatible, but also the problem that different Bluetooth communication protocols of different types need to be compatible with each other to influence data packet transmission is avoided. The Bluetooth 5.0 communication protocol has the advantages of high integration level and low power consumption, and can realize radio frequency transmission at the transmission rate of 1.3Mbps under the support of the Bluetooth 5.0 communication protocol with low power consumption. The ultra-low power consumption Bluetooth system is based on ultra-low power consumption Bluetooth transmission, the average working current is uA level, the peak current is not more than 6mA, a button battery is adopted for power supply, the service life of the battery can reach months, the ultra-low power consumption Bluetooth in the system only uses 3 broadcasting channels, and compared with the traditional Bluetooth equipment which adopts 16-32 channels, the power consumption caused by broadcasting data is greatly reduced; the ultra-low power consumption Bluetooth in the system can realize quick connection, can quickly establish connection when a command is required to be sent or a state is required to be transmitted, and can quickly disconnect the connection after the command is finished, so that repeated scanning is effectively avoided, and the power consumption can be greatly reduced; and the radio frequency physical layer is optimally designed with low power consumption, so that the peak current during transmitting and receiving is greatly reduced compared with the traditional Bluetooth.
Furthermore, a low-power-consumption working mode and a sleep mode are arranged in the SOC Bluetooth chip;
when the sensor does not detect data or the detected data is analyzed to be invalid data through an algorithm, the SOC Bluetooth chip enters a sleep mode;
the low-power-consumption working mode means that the signal acquisition end does not scan every time of Bluetooth pairing, and only passively waits for the signal relay end to scan; when a command needs to be sent or data needs to be transmitted, connection is quickly established, data packets are segmented by an algorithm according to the size of data volume dynamically acquired each time, small data transmission is carried out for multiple times, and connection is quickly disconnected after transmission is completed.
In order to achieve the above object, the present invention further provides an operating method of the split sleep management system, including the following steps:
firstly, a sensor collects heart rate, respiration rate, body movement, snoring and bed-off signals, and the signals are directly input to an ADC (analog to digital converter) collection port in a first communication module through a circuit after being amplified by an amplification module;
secondly, performing analog-to-digital conversion on the received acquisition signal by an SOC (system on chip) Bluetooth chip in the first communication module, performing algorithm processing on the converted transmission data, and transmitting the processed transmission data to a second communication module through a Bluetooth 5.0 communication protocol in the first communication module;
step three, the second communication module receives Bluetooth signals of a signal acquisition end and transmits the signals to a CPU, the CPU performs algorithm extraction on the received signals, extracts sign signals and power supply voltage signals from crossed signals, analyzes the signals and transmits the signals to a server of a data display end through a wireless module, and the extracted sign signals include but are not limited to heart rate, breathing rate, body movement, snoring and getting out of bed;
processing and storing the received physical sign data and health by the server, packaging the data and transmitting the data to the user side; and the user terminal displays the received data.
Furthermore, an SOC Bluetooth chip in the first communication module controls an ADC acquisition port to sample acquisition data of the sensor in a multithreading and DMA interruption-based acquisition mode, the ADC acquisition port firstly collects high-frequency channels in a concentrated mode within microsecond-level sampling time, the number of 2 channels is continuously sampled at the next time node until the nth time node, data of n channels are continuously sampled, and different channels can be selected at any sampling point for sampling. Because there are a plurality of sensors, therefore the ADC acquisition port in communication module needs a plurality of passageways when gathering, and SOC bluetooth chip control ADC acquisition port adopts multithread and the collection mode based on DMA interrupt, reduces and gathers the consumption. The ADC acquisition port adopts multithreading and a DMA interruption-based acquisition mode to sample the acquired data of the sensor, and has the advantages of high acquisition frequency, more acquired data, high data integrity and higher accuracy.
Further, the signal relay terminal calculates physical sign data after algorithm filtering and ECG algorithm extraction according to the original data transmitted by the signal acquisition terminal, and the physical sign data is directly uploaded to a server or subjected to targeted health analysis according to personal health information customized by a user; and one signal relay terminal is paired with one or more signal acquisition terminals, the alarm of each signal acquisition terminal can be found in time and accurately positioned, and historical data is reserved so that a user can check the health change condition of the user within a certain period of time according to the historical data.
For analyzing sign data by combining with a user medical history, such as but not limited to sinus rhythm symptoms, heartbeat of a general sinus rhythm patient is less than 45 times per minute, the user medical history is set in a relay, an algorithm program can conduct targeted analysis based on big data of sinus rhythm, since a general judgment standard adult is less than 50/min, bradycardia can be calculated, timely alarm is needed to inform nursing staff or a user to see a doctor in time, and after the sinus rhythm medical history is set, false alarm of bradycardia can be avoided.
Furthermore, data acquired by the signal acquisition end is uploaded to the signal relay end and the data display end in real time, the data display end updates the displayed data in real time, and the maximum delay of the updating time is not more than 1 minute.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (9)
1. A split type sleep management system is characterized by comprising a signal acquisition end, a signal relay end and a data display end, wherein the signal acquisition end and the signal relay end are designed in a split type, and the signal acquisition end is sequentially connected with the signal relay end and the data display end;
the signal acquisition end comprises a sensor, an amplification module, a first communication module and a button battery, wherein original data acquired by the sensor is amplified by the amplification module and is transmitted to the signal relay end through the first communication module, and the button battery provides electric energy for the signal acquisition end;
the signal relay terminal comprises a CPU, a second communication module, a wireless module and an AC 220V-to-DC 5V module, the CPU performs analysis processing according to health information set by a user by combining with actual health data of the user received through the second communication module, the obtained health analysis data or early warning information is transmitted to the data display terminal through the wireless module, and the signal relay terminal is connected with a 220V mains supply through the AC 220V-to-DC 5V module for power supply;
the data display end comprises a user end and a server, and the server is used for packaging the received sign data and the health analysis data and transmitting the physical sign data and the health analysis data to the user end; the user side is used for setting user information and displaying received data;
the signal relay terminal is provided with a standard working module, a group working module, a difference management module, a health analysis module and an alarm module;
the standard working module calculates physical sign data after filtering the received original data of the signal acquisition end by an algorithm and extracting the original data by an ECG algorithm, wherein the physical sign data are actually measured data of the heart rate and the breathing rate of a human body, and are transmitted to a user end through a wireless module to be displayed to a user after relevant health analysis;
the group working module is a group management mode that one signal relay end is matched with a plurality of signal acquisition ends; the group management mode is a working mode that a plurality of users with common characteristics in the same region carry out one-to-many group management by taking a signal relay terminal as a unit, and actually, the users are divided by taking the signal relay terminal as a unit according to the difference of ages, sexes and occupations of the users, the old people with similar or similar conditions are divided into one group, and one signal relay terminal is used;
the differential management module is a personal management mode that a signal relay end is matched with a signal acquisition end; the personal management mode is a working mode for performing one-to-one independent analysis on users with individual differences, and actually, a signal relay terminal is taken as a unit, and the extracted physical sign data is subjected to targeted analysis and then an analysis result is derived by combining user information set by the user at a user terminal; the individual difference refers to the difference of age, sex, occupation and medical history; the difference management module is stored with a plurality of common cases;
the health analysis module is used for analyzing the fluctuation and stability of the heart rate in a corresponding time period by looking up historical data in the time period when the signal relay terminal is in a certain self-defined time period, so as to obtain the change condition of the physical health and give health suggestions to a user;
the alarm module is used for transmitting the abnormal data to the data display end in time for alarming after the signal relay end detects the abnormal data, and historical alarm data of a user and response time and a processing method of nursing staff are stored in the alarm module and are transmitted to the data display end together when alarming.
2. The split sleep management system according to claim 1, wherein the signal relay terminals are respectively connected with a plurality of signal acquisition terminals, and the data display terminals are respectively connected with a plurality of signal relay terminals.
3. The split sleep management system according to claim 1 or 2, wherein the user information set at the user terminal includes, but is not limited to, age, gender, occupation, and medical history.
4. The split sleep management system according to claim 1, wherein the sensor is a composite sensor which is composed of a plurality of sensors, comprehensively judges the collected heart rate, respiration rate, body movement, snoring and bed-leaving information by cross signals, and is a piezoelectric sensor or a pressure sensor; the amplifying module comprises four operational amplifier chips; the button cell is a CR2450 type button cell.
5. The split sleep management system according to claim 1, wherein the first and second communication modules each comprise a SOC bluetooth chip and an ADC acquisition port, and the SOC bluetooth chip employs a Cortex-M3 core and a bluetooth 5.0 communication protocol.
6. The split sleep management system according to claim 5, wherein the SOC bluetooth chip has a low power consumption mode and a sleep mode;
when the sensor does not detect data or the detected data is analyzed to be invalid data through an algorithm, the SOC Bluetooth chip enters a sleep mode;
the low-power-consumption working mode refers to that the signal acquisition end does not scan every time Bluetooth pairing is carried out, and only the signal relay end is passively waited for scanning; when a command needs to be sent or data needs to be transmitted, connection is quickly established, data packets are segmented by an algorithm according to the size of data volume dynamically acquired each time, and connection is quickly disconnected after transmission is completed.
7. An operation method of a split sleep management system is characterized by comprising the following steps:
firstly, a sensor collects heart rate, respiration rate, body movement, snoring and bed-off signals, and the signals are directly input to an ADC (analog to digital converter) collection port in a first communication module through a circuit after being amplified by an amplification module;
secondly, performing analog-to-digital conversion on the received acquisition signal by an SOC (system on chip) Bluetooth chip in the first communication module, performing algorithm processing on the converted data, and transmitting the data to a second communication module through a Bluetooth 5.0 communication protocol in the first communication module;
thirdly, the second communication module receives the Bluetooth signal of the signal acquisition end and transmits the Bluetooth signal to a CPU, the CPU performs algorithm extraction on the received signal, extracts a sign signal and a power supply voltage signal from the crossed signal, analyzes the sign signal and the power supply voltage signal and transmits the analyzed sign signal and the analyzed power supply voltage signal to a server of a data display end through a wireless module;
processing and storing the received sign data and health analysis by the server, packaging the data and transmitting the data to the user side; the user terminal displays the received data;
in the third step, the signal relay terminal calculates physical sign data after algorithm filtering and ECG algorithm extraction according to the original data transmitted by the signal acquisition terminal, and the physical sign data is directly uploaded to a server or is subjected to targeted health analysis according to personal health information customized by a user; and one signal relay terminal is matched with one or more signal acquisition terminals, the alarm of each signal acquisition terminal can be timely found and accurately positioned, and historical data, response time of nursing staff and a processing method are reserved, so that a user can check the health change condition of the user in a certain period of time according to the historical data.
8. The operation method of the split sleep management system according to claim 7, wherein the SOC bluetooth chip in the first communication module controls an ADC acquisition port to sample the acquisition data of the sensor in a multi-threaded and DMA interrupt-based acquisition manner, the ADC acquisition port firstly and collectively acquires a high frequency channel within microsecond-level sampling time, continuously samples the number of 2 channels at a next time node, and continuously samples data of n channels up to an nth time node, and a different channel can be selected at any sampling point for sampling.
9. The operation method of the split sleep management system according to claim 7, wherein the data collected by the signal collection terminal is uploaded to the signal relay terminal and the data display terminal in real time, the data display terminal updates the displayed data in real time, and the maximum delay of the update time does not exceed 1 minute.
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