Energy-saving monitoring method, system and device of smart bracelet based on wireless communication

Abstract

The application relates to an energy-saving monitoring method, system and device of a smart bracelet based on wireless communication. The energy-saving monitoring method comprises the following steps: S1, collecting physiological data and position information of a wearer in real time; S2, switching the working mode of the smart bracelet according to the active selection of the wearer or according to the physiological data and the position information; S3, setting the communication state of the smart bracelet according to the working mode of the current smart bracelet and the physiological data and the position information; and S4, in the risk mode, sending the physiological data and the position information to a monitoring terminal, and sending early warning information to the smart bracelet and the monitoring terminal respectively. If the smart bracelet or the monitoring terminal does not timely feedback the early warning information, help-seeking information is sent to preset emergency contacts. The application sets different working modes and communication states for the smart bracelet, so that the smart bracelet can reduce the power consumption and the operation cost of the smart bracelet under the premise of ensuring the monitoring function.

Description

Technical Field

[0001] This invention relates to a smart bracelet, and more particularly to an energy-saving monitoring method for a smart bracelet based on wireless communication, an energy-saving monitoring system for a smart bracelet based on wireless communication, and an energy-saving monitoring device for a smart bracelet based on wireless communication. Background Technology

[0002] With the rapid development of mobile internet technology, mobile terminals have entered the era of intelligence. Examples include wearable smart bracelets and smart glasses. The emergence of these smart electronic products has greatly facilitated people's daily lives and has also changed the lifestyles of modern people.

[0003] Smart bracelets are widely used in various aspects of life, such as basic communication, timekeeping, and monitoring and reminding wearers of their exercise plans. They are also used for special monitoring of specific groups, such as students and patients. However, existing smart bracelets used for monitoring consume additional power because they need to maintain communication with the monitoring terminal or server for extended periods. This makes it difficult to maintain monitoring for long periods on a single battery or a single charge, affecting not only the real-time monitoring function but also increasing the cost of using the smart bracelet. Summary of the Invention

[0004] Therefore, it is necessary to provide an energy-saving monitoring method, system, and device for smart bracelets based on wireless communication to address the problem of high energy consumption during the monitoring process of existing smart bracelets.

[0005] This invention is implemented using the following scheme: an energy-saving monitoring system for a smart bracelet based on wireless communication, wherein the energy-saving monitoring method includes the following steps:

[0006] S1: Collects the wearer's physiological data and location information in real time through the smart bracelet.

[0007] S2: Switches the smart bracelet's operating mode based on the wearer's active selection or on physiological data and location information. Operating modes include General Mode, Sports Mode, Sleep Mode, and Risk Mode. Sports Mode can only be switched by the wearer's active selection. When the wearer does not actively select a mode, the smart bracelet's operating mode automatically switches using the following methods:

[0008] S21: After the smart bracelet is turned on, the initial working mode is normal mode.

[0009] S22: In normal mode, when physiological data exceeds a preset indicator range one or location information exceeds a preset location range, the working mode is switched to risk mode. In exercise mode, when physiological data exceeds a preset indicator range two or location information exceeds a location range, the working mode is switched to risk mode.

[0010] S23: In normal mode or motion mode, if the change in position information does not exceed a preset threshold within a preset time period t1, the working mode will be switched to sleep mode.

[0011] S24: In hibernation mode, if the change in location information exceeds threshold one, the operating mode will be switched to normal mode. If physiological data exceeds indicator range one, the operating mode will be switched to risk mode.

[0012] S3: Based on the current operating mode of the smart bracelet, as well as physiological data and location information, set the communication status of the smart bracelet. The communication status is set using the following methods:

[0013] S31: When the smart bracelet is in normal mode or sports mode, if the smart bracelet actively sends uplink data or receives downlink data within a time period t4, the communication state is set to connected state; otherwise, it is set to idle state.

[0014] S32: When the communication mode is idle, if the smart bracelet actively sends uplink data or receives downlink data within a time period t4, the communication state will be set to connected state; otherwise, it will be set to power saving mode.

[0015] S33: When the smart bracelet is in sleep mode, the communication status is set to power saving mode.

[0016] S34: When the smart bracelet is in risk mode, set the communication status to connected state.

[0017] S4: In risk mode, the smart bracelet transmits real-time physiological data, location information, and location information data within a time period t2 to the monitoring terminal, and sends warning information to both the smart bracelet and the monitoring terminal. If the smart bracelet or the monitoring terminal does not respond to the warning information within a preset time period t3, a distress message is sent to the preset emergency contact.

[0018] The aforementioned energy-saving monitoring method uses a smart bracelet to monitor the wearer's physiological data and location information in real time. This allows for timely alerts to the wearer or monitor when a safety risk is detected, enabling rapid assistance to help the wearer escape danger. Simultaneously, by setting different working modes and communication states for the smart bracelet, power consumption is reduced while maintaining monitoring functionality, extending the duration of each use and lowering operating costs.

[0019] In one embodiment, physiological data includes one or more of heart rate, blood pressure, and body temperature.

[0020] In one embodiment, the first set of indicators includes a first set of heart rate indicators, a first set of blood pressure indicators, and a first set of body temperature indicators. The first set of heart rate indicators is set to 60–100 bpm. The first set of body temperature indicators is set to 36–37.5°C. The first set of blood pressure indicators includes systolic blood pressure of 90–140 mmHg and diastolic blood pressure of 60–90 mmHg.

[0021] In one embodiment, the second set of indicators includes a second set of indicators for heart rate, blood pressure, and body temperature. The second set of indicators for heart rate is set to 100–150 bpm. The second set of indicators for body temperature is set to 36–38°C. The second set of indicators for blood pressure includes a systolic blood pressure of 90–160 mmHg and a diastolic blood pressure of 60–110 mmHg.

[0022] In one embodiment, the smart bracelet communicates with the server via an NB260. The NB260's communication states include connected state, idle state, and power-saving mode. Upon initial connection between the smart bracelet and the server, the communication state is connected. When the NB260 is in connected state, if there is no data exchange between the smart bracelet and the server within a preset time period t4, the communication state switches to idle state. When the communication state is idle or in power-saving mode, if the smart bracelet sends uplink data or the server sends downlink data within the next time period t4, the communication state switches back to connected state; otherwise, the communication state switches back to power-saving mode.

[0023] The present invention also provides an energy-saving monitoring system for a smart bracelet based on wireless communication, the energy-saving monitoring system including at least one smart bracelet, a server and at least one monitoring terminal.

[0024] The smart bracelet includes a data acquisition module, a communication module, an alarm module, and a control module. The data acquisition module collects the wearer's physiological data and location information. The communication module enables remote communication between the smart bracelet and the server. The alarm module issues alarm signals. The control module is responsible for: 1. Receiving real-time physiological data and location information transmitted from the data acquisition module. 2. Switching the smart bracelet's operating mode in real-time based on the physiological data or location information. 3. Controlling the operating status of the communication module or alarm module according to the smart bracelet's operating mode.

[0025] The server connects remotely to the smart bracelet via a communication module. The server includes a storage module, an information transceiver module, and a processing module. The storage module stores the physiological data, location information, and encoding information transmitted by the smart bracelet. The processing module is used for: 1. Generating warning information when the smart bracelet is in risk mode. 2. Generating an alarm signal when a distress signal is received from the smart bracelet. 3. Determining whether feedback signals are received from the smart bracelet or monitoring terminal within a preset time period t3, and generating an emergency alarm signal if no feedback signal is received. The information transceiver module is used for: 1. Receiving and forwarding uplink data sent by the smart bracelet. 2. Receiving and forwarding control signals generated by the processing module. 3. Receiving and forwarding downlink data sent by the monitoring terminal.

[0026] The monitoring terminal obtains real-time physiological data and location information measured by the smart bracelet by sending a data request signal to the server, thereby enabling real-time monitoring of the wearer.

[0027] In one embodiment, the acquisition module includes a temperature sensor, a pressure sensor, an electrocardiogram (ECG) sensor, and a locator. The temperature sensor measures the wearer's body temperature. The pressure sensor measures the wearer's blood pressure. The ECG sensor measures the wearer's heart rate. The locator measures the wearer's position.

[0028] In one embodiment, the communication module uses an NB260 module based on NB-IoT. The communication module includes three communication states: connected state, idle state, and power-saving mode. After the smart bracelet initially communicates with the server, it is in the connected state. When the communication module is in the connected state, if there is no data interaction between the smart bracelet and the server within a preset time period t4, the communication module switches to the idle state. When the communication module is in the idle state, if the smart bracelet receives a downlink command from the server within the next time period t4, the communication module enters the connected state; otherwise, the communication module enters the power-saving mode. When the communication module is in the power-saving mode, if the smart bracelet transmits uplink data to the server, the communication module switches back to the connected state.

[0029] In one embodiment, the NB260 module matches the smart bracelet with its name and device number, and then connects to the server via a network access method. The NB260 module sends the real-time physiological data and location information collected by the smart bracelet to the server via the MQTT protocol.

[0030] This invention also provides an energy-saving monitoring device for a smart bracelet based on wireless communication. The real-time monitoring device includes a memory, a processing module, and a computer program stored in the memory and executable on the processing module. Each functional module in the real-time monitoring device is deployed using the aforementioned energy-saving monitoring system for a smart bracelet based on wireless communication. When the processing module executes the computer program, it implements the steps of the aforementioned energy-saving monitoring method for a smart bracelet based on wireless communication, achieving real-time monitoring of each wearer while reducing the energy consumption of the smart bracelet during monitoring, thereby reducing the operating cost of the smart bracelet.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] 1. The energy-saving monitoring method of the present invention uses a smart bracelet to monitor the wearer's physiological data location information in real time, so that when the wearer is at risk, the wearer or the monitor can be alerted in a timely manner, thereby quickly assisting the wearer to escape the safety risk. At the same time, by setting different working modes and communication states for the smart bracelet, the power consumption of the smart bracelet can be reduced while ensuring the monitoring function, extending the single use time of the smart bracelet, and reducing the operating cost of the smart bracelet. Attached Figure Description

[0033] Figure 1 This is a flowchart illustrating the steps of the energy-saving monitoring method for a smart bracelet based on wireless communication according to Embodiment 1 of the present invention.

[0034] Figure 2 for Figure 1 The communication flowchart between the smart bracelet and the server in the energy-saving monitoring method;

[0035] Figure 3 To adopt Figure 1 A schematic diagram of the structure of an energy-saving monitoring system based on a smart bracelet using wireless communication;

[0036] Figure 4 for Figure 3 A schematic diagram of the structure of each functional module of the smart bracelet;

[0037] Figure 5 for Figure 3 A schematic diagram of the structure of each functional module of the server. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] It should be noted that when a component is said to be "installed on" another component, it can be directly on the other component or it may be in a component that is centered on it. When a component is said to be "set on" another component, it can be directly set on the other component or it may also be in a component that is centered on it. When a component is said to be "fixed to" another component, it can be directly fixed to the other component or it may also be in a component that is centered on it.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the specification of this invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or / and" as used herein includes any and all combinations of one or more of the associated listed items.

[0041] Example 1

[0042] Please see Figure 1 This is a flowchart illustrating the steps of the energy-saving monitoring method for a smart bracelet based on wireless communication in this embodiment. The energy-saving monitoring method for a smart bracelet based on wireless communication includes the following steps:

[0043] S1: The smart bracelet collects the wearer's physiological data and location information in real time. Smart bracelets are widely used in daily life and work. In addition to basic timekeeping functions, they can also measure physiological data, transmit data, and provide alerts. In this embodiment, the measured physiological data includes one or more of heart rate, blood pressure, and body temperature. By installing temperature sensors, pressure sensors, and ECG sensors in the smart bracelet, body temperature, blood pressure, and heart rate can be monitored in real time. Furthermore, by installing a locator and alarm in the smart bracelet, the wearer's real-time geographical location can be detected, allowing for timely alerts and rapid location of the wearer when abnormal physiological data is detected. Of course, in other embodiments, the smart bracelet can also detect the wearer's surrounding environment, such as by installing ambient temperature and humidity sensors to monitor ambient temperature and humidity, and can also monitor and measure the wearer's movements to obtain data such as steps and calories burned.

[0044] S2: Switches the smart bracelet's operating mode based on the wearer's active selection or on physiological data and location information. Operating modes include General Mode, Sports Mode, Sleep Mode, and Risk Mode. Sports Mode can only be switched by the wearer. During exercise, physiological data changes to varying degrees; for example, the heart rate during exercise is higher than during normal activity or sleep. Therefore, to prevent misjudgment of the wearer's condition, the smart bracelet cannot actively switch to Sports Mode. The wearer should actively switch the smart bracelet's operating mode to Sports Mode before exercising; otherwise, the smart bracelet's alarm function will still be activated if abnormal physiological data is detected.

[0045] When the wearer does not actively select a mode, the smart bracelet automatically switches its working mode using the following methods:

[0046] S21: After startup, the smart bracelet initially operates in normal mode. Normal mode indicates that the wearer is engaging in normal daily activities, with minimal changes in overall physiological data, and the wearer's position is not maintained in any particular location for an extended period.

[0047] S22: In normal mode, when physiological data exceeds a preset indicator range one or location information exceeds a preset location range, the working mode is switched to risk mode. In exercise mode, when physiological data exceeds a preset indicator range two or location information exceeds a location range, the working mode is switched to risk mode.

[0048] The first range of indicators includes heart rate, blood pressure, and body temperature. In this embodiment, heart rate is set to 60–100 bpm. Body temperature is set to 36–37.5°C. Blood pressure includes systolic blood pressure of 90–140 mmHg and diastolic blood pressure of 60–90 mmHg.

[0049] The location range can be preset, such as within a school campus, residential area, or workplace. In this embodiment, parents or teachers can set the location range to within the school for real-time monitoring of students. When a student leaves the school area, the smart bracelet automatically switches to risk mode, sending an alert signal to the monitor (parent or teacher) to confirm the student's safety.

[0050] The second range of indicators includes two indicators: heart rate, blood pressure, and body temperature. Heart rate indicator two is set at 100–150 bpm. Body temperature indicator two is set at 36–38°C. Blood pressure indicator two includes systolic blood pressure of 90–160 mmHg and diastolic blood pressure of 60–110 mmHg.

[0051] During exercise, physiological data in the human body will change to varying degrees, such as increases in heart rate, blood pressure, and body temperature. Generally, during non-strenuous exercise, the human heart rate is typically 100–150 bpm. Body temperature may rise by less than 1°C, or it may remain unchanged; after exercise, body temperature automatically returns to its pre-exercise temperature due to heat dissipation. During exercise, systolic blood pressure typically increases by 20–30 mmHg, and diastolic blood pressure typically increases by 10–20 mmHg.

[0052] Of course, in other embodiments, the first and second index ranges can be higher or lower, but they need to be set according to the wearer's actual physiological state.

[0053] S23: In normal or sports mode, if the change in location information does not exceed a preset threshold within a preset time period t1, the working mode is switched to sleep mode. When the wearer is taking a nap, sleeping, or studying quietly, the real-time location of the smart bracelet remains almost unchanged, and the smart bracelet can be adjusted to sleep mode. In sleep mode, the smart bracelet disconnects from the server or monitoring terminal, and the power consumption of the smart bracelet is minimized. Of course, to prevent abnormal physiological data from occurring during sleep mode, the smart bracelet still monitors the wearer's physiological data in real time. In this embodiment, threshold 1 is set to 1m; however, in other embodiments, threshold 1 can be larger or smaller.

[0054] S24: In sleep mode, if the change in location information exceeds threshold one, the operating mode will switch to normal mode. If physiological data exceeds indicator range one, the operating mode will switch to risk mode. When the smart bracelet's location exceeds threshold one, it is considered that the wearer has actively left the original location, i.e., exited sleep mode, and the operating mode will switch to normal mode. If, in sleep mode, the wearer's physiological data exceeds indicator range one, it indicates that the wearer poses a safety risk, and the smart bracelet will switch to risk mode, issuing an alarm to the wearer and monitoring terminal so that the wearer or monitor can promptly detect and handle the situation.

[0055] S3: Set the communication status of the smart bracelet based on its current working mode, physiological data, and location information.

[0056] In this embodiment, the smart bracelet communicates with the server via an NB260. The NB260's communication states include connected state, idle state, and power-saving mode. After the smart bracelet initially connects to the server, the communication state is connected.

[0057] When the communication state is connected, if the smart bracelet and the server do not exchange data within a preset time period t4, the communication state switches to idle state. When the communication state is idle, if the smart bracelet sends uplink data or the server sends downlink data within the next time period t4, the communication state switches back to connected state; otherwise, the communication state switches to power-saving mode. When the communication state is in power-saving mode, if the smart bracelet sends uplink data or the server sends downlink data, the communication state switches back to connected state.

[0058] Depending on the smart bracelet's current operating mode, the NB260's communication status can also be set using the following methods:

[0059] S31: When the smart bracelet is in normal mode or sports mode, if it actively sends uplink data or receives downlink data within a time period t4, the communication state is set to connected state; otherwise, it is set to idle state. In this embodiment, when the smart bracelet is in normal mode or sports mode, if the monitor does not actively send a monitoring request, the server or monitoring terminal will not actively initiate downlink communication. Simultaneously, if the wearer does not actively send a distress signal (i.e., does not actively initiate uplink communication), the communication state of the smart bracelet is set to idle state. In the idle state, the smart bracelet still maintains communication with the server or monitoring terminal, but does not transmit data.

[0060] S32: When the communication mode is idle, if the smart bracelet actively sends uplink data or receives downlink data within a time period t4, the communication state is set to connected mode; otherwise, it is set to power-saving mode. When the communication mode is idle and no data transmission occurs in the next time period, it can switch to power-saving mode. In power-saving mode, the smart bracelet disconnects from the server. Matching communication resumes when the smart bracelet actively sends uplink data or the server actively sends downlink data. In power-saving mode, the smart bracelet does not communicate, and power consumption is minimized.

[0061] S33: When the smart bracelet is in sleep mode, the communication status is set to power-saving mode. Upon entering sleep mode, the smart bracelet sends a sleep signal to the server or monitoring terminal to indicate that the server or monitor should not initiate inquiries. In sleep mode, the wearer does not actively transmit uplink data and can disconnect from the server to minimize the smart bracelet's power consumption.

[0062] S34: When the smart bracelet is in risk mode, set the communication status to connected. When the smart bracelet is in risk mode, it indicates that the wearer may be at risk at any time. Therefore, it is necessary to share the wearer's location and physiological data in real time so that the monitor can monitor the wearer in real time, take emergency measures, quickly locate the wearer, and help them escape the safety risk.

[0063] Please combine Figure 2 , it is Figure 1 The communication flowchart between the smart bracelet and the server in the energy-saving monitoring method.

[0064] S4: In risk mode, the smart bracelet transmits real-time physiological data, location information, and location data within a time period t2 to the monitoring terminal, and sends warning messages to both the smart bracelet and the monitoring terminal. If the smart bracelet or monitoring terminal does not respond to the warning message within a preset time period t3, a distress message is sent to the preset emergency contact. In risk mode, the wearer may have abnormal physiological data, feel unwell, or be in a dangerous environment, posing a constant safety risk. To assist the wearer in escaping risk as quickly as possible, if the wearer actively chooses to seek help, a warning message is first sent to the monitor, reminding the monitor to observe the wearer's real-time physiological data and location information for further action, such as calling the police or going to the wearer's location for assistance. If the smart bracelet actively switches to risk mode due to abnormal physiological data or location information, warning messages are sent to both the smart bracelet and the monitoring terminal, alerting both the wearer and the monitor. If the wearer or monitor confirms receipt of the warning message and responds within time period t3, the warning is canceled; otherwise, a distress message is sent to the emergency contact. In this embodiment, the server is set with a preset time of 30-40 seconds to ensure that the wearer receives timely assistance and avoids delays in rescue efforts. The smart bracelet can be preset with 2-4 emergency contacts to prevent the monitor or emergency contacts from failing to detect the distress signal in time. Furthermore, if the emergency contacts still fail to respond promptly, they can call the police and send the wearer's real-time location and physiological data to increase the probability of the wearer being rescued.

[0065] This embodiment of the energy-saving monitoring method uses a smart bracelet to monitor the wearer's physiological data location information in real time. This allows for timely alerts to the wearer or monitor when a safety risk arises, enabling rapid assistance in escaping danger. Simultaneously, by setting different working modes and communication states for the smart bracelet, power consumption is reduced while maintaining monitoring functionality, extending the duration of each use and lowering operating costs.

[0066] Please combine Figure 3 It is adopted Figure 1A schematic diagram of the energy-saving monitoring system based on the energy-saving monitoring method of a smart bracelet using wireless communication is shown in this embodiment. To implement the above-mentioned energy-saving monitoring method and apply it to existing smart bracelets, this embodiment also provides an energy-saving monitoring system for a smart bracelet based on wireless communication. The energy-saving monitoring system includes: at least one smart bracelet, a server, and at least one monitoring terminal.

[0067] Smart bracelets can be paired with monitoring terminals in a one-to-one, one-to-many, many-to-many, or many-to-one manner. Taking student management as an example, teachers can use a single smart terminal to monitor all students in real-time, one-to-many. Parents can also use smart terminals to monitor students one-to-one or many-to-one, such as parents monitoring their children individually. Simultaneously, parents and teachers can also monitor and manage simultaneously, i.e., many-to-many monitoring.

[0068] Please combine Figure 4 , it is Figure 3 This is a structural diagram of the functional modules of a smart bracelet. The smart bracelet includes a data acquisition module, a communication module, an alarm module, and a control module. The data acquisition module is used to collect the wearer's physiological data and location information. Physiological data includes one or more of heart rate, blood pressure, and body temperature. In this embodiment, the data acquisition module includes a temperature sensor, a pressure sensor, an electrocardiogram (ECG) sensor, and a locator. The temperature sensor is used to measure the wearer's body temperature signal. The pressure sensor is used to measure the wearer's blood pressure signal. The ECG sensor is used to measure the wearer's heart rate signal. The locator is used to measure the wearer's location signal. In other embodiments, the data acquisition module may also include a humidity sensor, a sound sensor, an infrared sensor, etc., which can collect the wearer's movements, ambient humidity, and ambient noise, respectively.

[0069] The communication module enables remote communication between the smart bracelet and the server. It utilizes the NB260 module based on NB-IoT. NB-IoT, also known as Narrowband Internet of Things, focuses on low-power and wide-area coverage communication applications, enhancing signal strength to deepen communication coverage. The typical communication distance for NB-IoT is 15km. The communication module includes three communication states: connected state, idle state, and power-saving mode. After the initial communication between the smart bracelet and the server (bracelet registration), it is in the connected state and can interact with the server. When the communication module is in the connected state, if there is no data interaction between the smart bracelet and the server within a preset time period t4, the communication module switches to the idle state. In the idle state, the smart bracelet maintains communication with the server or monitoring terminal but does not transmit data. When the communication module is in the idle state, if the smart bracelet receives a downlink command from the server within the next time period t4, the communication module enters the connected state; otherwise, it enters the power-saving mode. In power-saving mode, the smart bracelet does not communicate, minimizing power consumption. When the communication module is in power-saving mode, if the smart bracelet transmits uplink data to the server, the communication module switches to connected mode.

[0070] The alarm module is used to issue alarm signals. The alarm module can be an electronic alarm. When the smart bracelet enters a risk mode, indicating a safety risk to the wearer, the alarm module will emit sound, light, and air pressure signals to alert the wearer to take emergency measures.

[0071] The NB260 module matches each smart bracelet with its name and device number, then connects to the server via a network connection. During the initial connection phase, the server encodes the smart bracelets, recording each bracelet's name and device number. During communication, the server first identifies the corresponding NB260 module through this encoding, establishing communication and enabling data exchange with the smart bracelets. The NB260 module sends real-time physiological data and location information collected by the smart bracelets to the server via the MQTT protocol. The control module is used for: 1. Receiving real-time physiological data and location information transmitted by the acquisition module. The acquisition module detects various physiological data signals and location information signals from the wearer and sends all of these signals to the control module. The control module receives and identifies these signals, converting them into directly identifiable digital signals and displaying them in real-time on the smart bracelet's screen in a table or graph format.

[0072] II. The smart bracelet's operating mode is switched in real time based on physiological data or location information. The smart bracelet's operating modes include General Mode, Sports Mode, Sleep Mode, and Risk Mode. Sports Mode can only be switched by the wearer's active selection. When the wearer does not actively select it, the smart bracelet's operating mode is switched using the following methods:

[0073] 1. After being turned on, the smart bracelet initially operates in normal mode. Normal mode indicates that the wearer is engaging in normal daily activities, with little overall change in physiological data, and the wearer's position is not maintained in any particular location for an extended period.

[0074] 2. In normal mode, if physiological data exceeds a preset indicator range one or location information exceeds a preset location range, the working mode will switch to risk mode. In exercise mode, if physiological data exceeds a preset indicator range two or location information exceeds a location range, the working mode will switch to risk mode.

[0075] The first range of indicators includes heart rate, blood pressure, and body temperature. In this embodiment, heart rate is set to 60–100 bpm. Body temperature is set to 36–37.5°C. Blood pressure includes systolic blood pressure of 90–140 mmHg and diastolic blood pressure of 60–90 mmHg.

[0076] The location range can be preset, such as within a school campus, residential area, or workplace. In this embodiment, parents or teachers can set the location range to within the school for real-time monitoring of students. When a student leaves the school area, the smart bracelet automatically switches to risk mode, sending an alert signal to the monitor (parent or teacher) to confirm the student's safety.

[0077] The second range of indicators includes two indicators: heart rate, blood pressure, and body temperature. Heart rate indicator two is set at 100–150 bpm. Body temperature indicator two is set at 36–38°C. Blood pressure indicator two includes systolic blood pressure of 90–160 mmHg and diastolic blood pressure of 60–110 mmHg.

[0078] During exercise, physiological data in the human body will change to varying degrees, such as increases in heart rate, blood pressure, and body temperature. Generally, during non-strenuous exercise, the human heart rate is typically 100–150 bpm. Body temperature may rise by less than 1°C, or it may remain unchanged; after exercise, body temperature automatically returns to its pre-exercise temperature due to heat dissipation. During exercise, systolic blood pressure typically increases by 20–30 mmHg, and diastolic blood pressure typically increases by 10–20 mmHg.

[0079] Of course, in other embodiments, the first and second index ranges can be higher or lower, but they need to be set according to the wearer's actual physiological state.

[0080] 3. In normal or exercise mode, if the change in location information does not exceed a preset threshold within a preset time period t1, the working mode is switched to sleep mode. When the wearer is taking a nap, sleeping, or studying quietly, the real-time location of the smart bracelet remains almost unchanged, and the smart bracelet can adjust to sleep mode. In sleep mode, the smart bracelet disconnects from the server or monitoring terminal, and the smart bracelet's power consumption is minimized. Of course, to prevent abnormal physiological data from occurring during sleep mode, the smart bracelet still monitors the wearer's physiological data in real time. In this embodiment, threshold 1 is set to 1m; however, in other embodiments, threshold 1 can be larger or smaller.

[0081] 4. In sleep mode, if the change in location information exceeds threshold one, the operating mode will switch to normal mode. If physiological data exceeds the indicator range one, the operating mode will switch to risk mode. When the smart bracelet's location exceeds threshold one, it is considered that the wearer has actively left the original location, i.e., exited sleep mode, and the operating mode will switch to normal mode. If, in sleep mode, the wearer's physiological data exceeds the indicator range one, it indicates that the wearer poses a safety risk, and the smart bracelet will switch to risk mode, issuing an alarm to the wearer and monitoring terminal so that the wearer or monitor can promptly detect and handle the situation.

[0082] 3. Control the operating status of the communication module or alarm module according to the smart bracelet's working mode. In risk mode, the alarm module is activated; in other modes, the alarm module is deactivated. In risk mode, the communication module is always connected. In sleep mode, the communication module is always in power-saving mode.

[0083] Please combine Figure 5 , it is Figure 3 This diagram illustrates the structure of the server's functional modules. The server connects remotely to the smart bracelet via a communication module. The server includes a storage module, an information transmission and reception module, and a processing module. The storage module stores the physiological data, location information, and coding information transmitted by the smart bracelet. When a wearer experiences abnormal physiological data within a time period t5, the storage module stores all abnormal physiological data and records all location information within that time period, allowing monitors to query the wearer's recent physiological state and movement trajectory. In the event of an infectious disease, the module can quickly screen individuals who have been in contact with the wearer, thereby rapidly isolating potentially infected individuals to prevent the spread of the disease. Simultaneously, it can analyze the wearer's recent physiological state, helping doctors quickly understand the wearer's condition. The storage module stores the coding information of each smart bracelet, enabling communication with each smart bracelet through code recognition and matching, and matching with the corresponding monitoring terminal to achieve precise monitoring of the smart bracelets.

[0084] The processing module is used for: 1. Generating warning information when the smart bracelet is in risk mode. When the smart bracelet switches working modes, it sends uplink data to the server. The processing module parses the uplink data to obtain the current working mode of the smart bracelet. If the smart bracelet is in risk mode, the processing module generates warning information and sends it to both the smart bracelet and the monitoring terminal via the information transceiver module.

[0085] 2. When a distress signal is received from the smart bracelet, an alarm signal is generated. When the wearer feels unwell or judges that the current environment is risky, they send a distress signal to the server via the smart bracelet. The processing module identifies the distress signal, generates an alarm signal, and sends the alarm signal to the monitoring terminal via the information transceiver module.

[0086] Third, the system determines whether a feedback signal is received from the smart bracelet or monitoring terminal within a preset time period t3. If no feedback signal is received, an emergency alarm signal is generated. If the wearer or monitor confirms receipt of the warning information and provides feedback within time period t3, the warning is canceled; otherwise, the emergency alarm signal is sent to the emergency contact. In this embodiment, the time period t3 is set to 30-40 seconds to ensure that the wearer receives timely assistance and avoids delays in rescue. The server presets 2-4 emergency contacts for each smart bracelet to ensure that the monitor or emergency contact can detect the distress signal in time. Simultaneously, if the emergency contact still fails to provide timely feedback, an alarm command is generated to control the monitoring terminal or emergency contact to make an emergency call and send the wearer's real-time location and physiological data to increase the probability of the wearer being rescued.

[0087] The information transceiver module is used for: 1. Receiving and forwarding uplink data sent by the smart bracelet. When the smart bracelet switches working modes, it actively sends uplink data to the server. Simultaneously, the wearer can also actively send uplink data, such as sending a distress signal or requesting the cancellation of monitoring. For example, if a student is away from campus during holidays and outside the coverage area of ​​the communication module, they can request the monitoring terminal to cancel monitoring and set the cancellation duration so that the wearer can be monitored promptly upon returning to school.

[0088] 2. Receive and forward control signals generated by the processing module. Warning messages and alarm signals generated by the processing module are transmitted through the information transceiver module.

[0089] Third, receive and forward downlink data sent by the monitoring terminal. Monitors can proactively request monitoring to understand the wearer's physiological status and location information in real time, thereby achieving real-time and precise management of the wearer.

[0090] The monitoring terminal obtains real-time physiological data and location information measured by the smart bracelet by sending data request signals to the server, thereby enabling real-time monitoring of the wearer. The monitoring terminal can also send requests to the server to observe recent changes in the wearer's physiological data and movement patterns. For example, it can display the wearer's recent body temperature, heart rate, blood pressure, and other data in curve form on the monitoring terminal's screen, allowing the monitor to quickly understand the wearer's recent physical condition.

[0091] Taking student campus management as an example, all students' wristband ID information is entered and stored in the server's storage module. Every time period t5, the smart wristband transmits the monitored physiological data and location information to the server. The server stores the physiological and location information in its storage module and packages this information for the monitoring terminal when it requests monitoring. The monitoring terminal decompresses this information and converts the body temperature information into a temperature curve. When the temperature exceeds the set safe temperature, the student's wristband issues an alarm and pushes a notification to the monitoring terminal. Monitoring personnel can identify the corresponding wristband ID based on the temperature curve, thereby identifying the student with a fever, locating the student, and taking relevant measures. If the student's fever is due to an infectious disease, monitoring personnel can access the student's location information for seven days, plot the student's activity trajectory for that day, record the wristband IDs of other students who came into contact with the student to prevent students from concealing information, and notify those who have been in contact with these students, informing them to immediately monitor their health and take self-isolation and self-protection measures. When infectious diseases are difficult to control, school administrators can set the student's permitted activity area on the monitoring terminal. For example, during a campus lockdown, the campus can be designated as a permitted activity area. When a student leaves the designated activity area, the wristband issues a voice alarm and pushes a notification to the monitoring terminal indicating that the student has left the campus. Monitoring personnel immediately locate the student and take appropriate measures, thus achieving effective monitoring of students' health status and current location on campus. This also enables the monitoring system to achieve lower power consumption, stronger real-time performance, and wider data transmission.

[0092] The energy-saving monitoring system of this embodiment can be applied to existing smart bracelets. By adding a corresponding application to the smart bracelet or installing a chip containing the above-mentioned functional modules, real-time monitoring and management of the wearer can be achieved. During operation, the energy-saving monitoring system uses the above-described energy-saving monitoring method to switch the working mode and communication status of the smart bracelet in real time, so that the smart bracelet always works in a low-energy-consumption mode, reducing the cost of using the smart bracelet.

[0093] To implement the aforementioned energy-saving monitoring method for smart bracelets based on wireless communication and apply it to existing energy-saving monitoring systems for smart bracelets based on wireless communication, thereby simplifying the device installation process and reducing installation costs, this embodiment also provides an energy-saving monitoring device for smart bracelets based on wireless communication. The energy-saving monitoring device includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, it implements the steps of the energy-saving monitoring method for smart bracelets based on wireless communication as described above, thereby achieving real-time monitoring of each wearer while reducing the energy consumption of the smart bracelet during monitoring, thus reducing the operating cost of the smart bracelet.

[0094] The computer device can be a smartphone, tablet, laptop, desktop computer, rack server, blade server, tower server, or cabinet server (including standalone servers or server clusters composed of multiple servers), etc., capable of executing programs. The computer device in this embodiment includes, but is not limited to, a memory and a processor that can communicate with each other via a system bus.

[0095] In this embodiment, the memory (i.e., the readable storage medium) includes flash memory, hard disk, multimedia card, card-type memory (e.g., SD or DX memory), random access memory (RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM), magnetic memory, disk, optical disk, etc. In some embodiments, the memory can be an internal storage unit of a computer device, such as the hard disk or RAM of the computer device. In other embodiments, the memory can also be an external storage device of the computer device, such as a plug-in hard disk, smart media card (SMC), secure digital card (SD), flash card, etc., equipped on the computer device. Of course, the memory can also include both internal storage units and external storage devices of the computer device. In this embodiment, the memory is typically used to store the operating system and various application software installed on the computer device. In addition, the memory can also be used to temporarily store various types of data that have been output or will be output.

[0096] In some embodiments, the processor may be a central processing unit (CPU), a controller, a microcontroller, a microprocessor, or other data processing chip. This processor is typically used to control the overall operation of a computer device. In this embodiment, the processor is used to run program code stored in memory or process data to implement the steps of the aforementioned energy-saving monitoring method for a smart bracelet based on wireless communication, thereby achieving real-time monitoring of each wearer while reducing the energy consumption of the smart bracelet during monitoring, thus reducing the operating cost of the smart bracelet.

[0097] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0098] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this invention patent should be determined by the appended claims.

Claims

1. A method for energy-saving monitoring of a smart bracelet based on wireless communication, used to switch the working mode of the smart bracelet and the communication status between the smart bracelet and the server in real time, so as to reduce energy consumption of the smart bracelet while ensuring real-time monitoring, thereby reducing the operating cost of the smart bracelet, characterized in that, The energy-saving monitoring method includes the following steps: S1: The smart bracelet collects the wearer's physiological data and location information in real time; S2: The working mode of the smart bracelet is switched according to the wearer's active selection or according to the physiological data and location information; the working mode includes normal mode, sports mode, sleep mode and risk mode; wherein, the sports mode can only be switched by the wearer's active selection; when the wearer does not actively select, the working mode of the smart bracelet is automatically switched by the following method: S21: After the smart bracelet is started, its initial working mode is the normal mode; S22: In normal mode, when the physiological data exceeds a preset index range one or the location information exceeds a preset location range, the working mode is switched to risk mode; in exercise mode, when the physiological data exceeds a preset index range two or the location information exceeds the location range, the working mode is switched to risk mode. S23: In normal mode or motion mode, if the change in the position information does not exceed a preset threshold within a preset time period t1, then the working mode is switched to sleep mode. S24: In hibernation mode, if the change in the location information exceeds the threshold one, the working mode is switched to normal mode; if the physiological data exceeds the indicator range one, the working mode is switched to risk mode. S3: Based on the current working mode of the smart bracelet, the physiological data, and the location information, set the communication status of the smart bracelet; the communication status is set using the following method: S31: When the smart bracelet is in normal mode or sports mode, if the smart bracelet actively sends uplink data or receives downlink data within a time period t4, the communication state is set to connected state; otherwise, it is set to idle state. S32: When the communication state is idle, if the smart bracelet actively sends uplink data or receives downlink data within a time period t4, the communication state is set to connected state; otherwise, it is set to power saving mode. S33: When the smart bracelet is in sleep mode, the communication state is set to power saving mode; S34: When the smart bracelet is in risk mode, set the communication state to connected state; S4: In risk mode, the physiological data and location information collected in real time by the smart bracelet, as well as the location information data within a time period t2, are sent to the monitoring terminal, and warning information is sent to the smart bracelet and the monitoring terminal respectively; if the smart bracelet or the monitoring terminal does not respond to the warning information within a preset time period t3, a distress message is sent to the preset emergency contact.

2. The energy-saving monitoring method for a smart bracelet based on wireless communication according to claim 1, characterized in that, In step S1, the physiological data includes one or more of heart rate, blood pressure, and body temperature.

3. The energy-saving monitoring method for a smart bracelet based on wireless communication according to claim 1, characterized in that, In step S22, the first index range includes a first heart rate index, a first blood pressure index, and a first body temperature index; the first heart rate index is set to 60–100 bpm; the first body temperature index is set to 36–37.5°C; and the first blood pressure index includes a systolic blood pressure of 90–140 mmHg and a diastolic blood pressure of 60–90 mmHg.

4. The energy-saving monitoring method for a smart bracelet based on wireless communication according to claim 1, characterized in that, In step S22, the second index range includes a second heart rate index, a second blood pressure index, and a second body temperature index; the second heart rate index is set to 100–150 bpm; the second body temperature index is set to 36–38°C; and the second blood pressure index includes a systolic blood pressure of 90–160 mmHg and a diastolic blood pressure of 60–110 mmHg.

5. The energy-saving monitoring method for a smart bracelet based on wireless communication according to claim 1, characterized in that, In step S3, the smart bracelet communicates with the server via NB260; the communication states of the NB260 include connected state, idle state, and power-saving mode; after the smart bracelet initially connects to the server, the communication state is connected. When the NB260 is in the connected state, if the smart bracelet and the server do not interact with each other within a preset time period t4, the communication state is switched to the idle state. When the communication state is in idle state or power saving mode, if the smart bracelet sends uplink data or the server sends downlink data within the next time period t4, the communication state switches to connected state; otherwise, the communication state switches to power saving mode.

6. An energy-saving monitoring system for a smart bracelet based on wireless communication, comprising the energy-saving monitoring method for a smart bracelet based on wireless communication as described in any one of claims 1 to 5, characterized in that, The real-time monitoring system includes: At least one smart bracelet, the smart bracelet including a data acquisition module, a communication module, an alarm module, and a control module; the data acquisition module is used to collect the wearer's physiological data and location information; the communication module is used to enable remote communication between the smart bracelet and a server; the alarm module is used to issue an alarm signal; the control module is used to:

1. receive the physiological data and location information transmitted in real time by the data acquisition module; 2. switch the working mode of the smart bracelet in real time according to the physiological data or the location information; 3. control the operating status of the communication module or the alarm module according to the working mode of the smart bracelet; The server is remotely connected to the smart bracelet via the communication module. The server includes a storage module, an information transceiver module, and a processing module. The storage module stores physiological data, location information, and the smart bracelet's encoding information transmitted by the smart bracelet. The processing module is used to:

1. generate warning information when the smart bracelet is in risk mode; 2. generate an alarm signal when a distress signal is received from the smart bracelet; 3. determine whether a feedback signal is received from the smart bracelet or monitoring terminal within a preset time period t3, and generate an emergency alarm signal if no feedback signal is received. The information transceiver module is used to:

1. receive and forward uplink data sent by the smart bracelet; 2. receive and forward control signals generated by the processing module; 3. receive and forward downlink data sent by the monitoring terminal; and At least one monitoring terminal, which obtains the real-time physiological data and location information measured by the smart bracelet by sending a data request signal to the server, thereby realizing real-time monitoring of the wearer.

7. The energy-saving monitoring system for a smart bracelet based on wireless communication according to claim 6, characterized in that, The acquisition module includes a temperature sensor, a pressure sensor, an electrocardiogram (ECG) sensor, and a locator. The temperature sensor is used to measure the wearer's body temperature signal; the pressure sensor is used to measure the wearer's blood pressure signal; the ECG sensor is used to measure the wearer's heart rate signal; and the locator is used to measure the wearer's position signal.

8. The energy-saving monitoring system for a smart bracelet based on wireless communication according to claim 6, characterized in that, The communication module adopts an NB260 module based on NB-IoT; the communication module includes three communication states: connected state, idle state, and power-saving mode; the smart bracelet is in the connected state after the initial communication with the server; when the communication module is in the connected state, if the smart bracelet and the server do not interact with each other within a preset time period t4, the communication module switches to the idle state; when the communication module is in the idle state, if the smart bracelet receives a downlink command sent by the server within the next time period t4, the communication module enters the connected state; otherwise, the communication module enters the power-saving mode; when the communication module is in the power-saving mode, if the smart bracelet transmits uplink data to the server, the communication module switches to the connected state.

9. The energy-saving monitoring system for a smart bracelet based on wireless communication according to claim 8, characterized in that, The NB260 module identifies the name and device number of the smart bracelet and matches them one by one, and then connects to the server through a network access method; the NB260 module sends the physiological data and location information collected in real time by the smart bracelet to the server through the MQTT protocol.

10. An energy-saving monitoring device for a smart bracelet based on wireless communication, comprising a memory, a processing module, and a computer program stored in the memory and executable on the processing module, characterized in that, Each functional module in the real-time monitoring device is deployed in the manner described in any one of claims 6 to 9 as an energy-saving monitoring system for a smart bracelet based on wireless communication. When the processing module executes the computer program, it implements the steps of the energy-saving monitoring method for a smart bracelet based on wireless communication as described in any one of claims 1 to 5, thereby achieving real-time monitoring of each wearer and reducing the energy consumption of the smart bracelet during the monitoring process, thus reducing the operating cost of the smart bracelet.

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